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PubMed1980

Decayed, missing, and filled teeth among Jewish and Arab schoolchildren in Israel.

The purpose of this investigation was to gather information on caries prevalence in schoolchildren of Arab and Jewish populations, and compare caries prevalence according to sex, age and population examined. Altogther, 3672 children were included in the survey (1975 Jews, 1001 of whom were females; and 1697 Arabs, 840 of whom were females). During the examination only dental caries were checked. Caries were marked according to the DMF index. Compared to former years there is an increase in the prevalence of caries throughout the population. A slightly lower caries prevalence was found among Jewish children than among Arab children of the same age. However, when DMF is broken down into its component parts, Arab children were seen to have a greater number of teeth affected by caries and in need of treatment (D). Furthermore, treatment need has been met to a much greater degree among Jewish children than among Arab children. Arab children received almost no dental care.

Adolescent↗
PubMed2001

The Spectrum of beta-Thalassemia Mutations in the Arab Populations.

The Arab countries encompass a wide region stretching from the Persian Gulf to the Atlantic Ocean. The Arab population is quite heterogeneous and has experienced various invasions and migrations throughout history. beta-thalassemia is endemic in all countries of the Arab world. Our review of the molecular basis of beta-thalassemia in various Arab countries reveals the presence of 52 mutations, which are mostly of Mediterranean and Asian origin. The distribution of mutations reflects the geographical and historical backgrounds of each region. However, no specific mutation is confined to the Arabs, although some Arab countries do have unique mutations.

Journal Article↗
PubMed2002

Validation of the Arabic version of the WHO-ILAR COPCORD Core Questionnaire for community screening of rheumatic diseases in Kuwaitis. World Health Organization. International League Against Rheumatism. Community Oriented Program for the Control of Rheumatic Diseases.

OBJECTIVE: (1) To adapt the Community Oriented Program for the Control of Rheumatic Disease (COPCORD) Core Questionnaire (CCQ) for use as a rheumatic screening instrument among Kuwaitis, including translation, back translation, assessment of cross cultural equivalence, and reliability. (2) To determine the screening characteristics of the Arabic version of the CCQ for detecting rheumatic diseases compared to clinical examination by a rheumatologist. METHODS: Translation and assessment of cross cultural equivalence were undertaken using standard methods. Back translation was done by an Arabic-speaking rheumatologist. Interviewer agreement was assessed using a convenience sample. Sensitivity, specificity, and positive and negative predictive values were assessed first by administering the CCQ followed by full clinical examinations of a randomly selected sample of 359 Kuwaiti persons aged 15 years or older. RESULTS: (1) Cross cultural equivalence and back translation of the translated questionnaire were satisfactory. Interviewer agreement was acceptable. (2) The prevalence of rheumatic diseases based only on CCQ screening was 69% compared to 73% based on clinical examination. The sensitivity and specificity of the Arabic CCQ were 94.4% and 97%, respectively, and the positive and negative predictive values of the instrument were 98.8% and 86.4%, respectively. CONCLUSION: The Arabic version of the CCQ appears promising as a screening tool to detect rheumatic diseases in Arabic speaking communities. The findings suggest that the Arabic CCQ followed by clinical examinations in positive respondents can provide an acceptable estimate of prevalence of rheumatic diseases. We intend to use this instrument to screen for the prevalence of rheumatic diseases among Kuwaiti nationals.

Adult↗
PubMed1992

Serum protein polymorphisms in Arab Moslems and Druze of Israel: BF, F13B, AHSG, GC, PLG, PI, and TF.

We report results of typing two population samples, Israeli Arab Moslems and Arab Druze, for seven serum protein genetic variants. Data are presented in comparison with results for the same markers in a sample of Jordanian Arabs. In Israeli Moslems gene frequencies for BF (n = 169) were BF*S = 0.6361, BF*F = 0.3343, BF*S07 = 0.0296, and BF*1 = 0, and for TF (n = 90) the gene frequencies were: TF*C1 = 0.7167, TF*C2 = 0.2611, and TF*C3 = 0.0222. Allele frequencies for AHSG in Israeli Moslems (n = 155) and Druze (n = 192) were AHSG*1 = 0.9129 and 0.8750 and AHSG*2 = 0.0806 and 0.1250, respectively. Gene frequencies for PLG in Moslems (n = 149) and Druze (n = 190) were PLG*A = 0.4597 and 0.5288 and PLG*B = 0.5101 and 0.4188, respectively. The typing of Israeli Arab Druze (n = 194) for F13B resulted in F13B*1 = 0.8454, F13B*2 = 0.0387, F13B*3 = 0.0979, and F13B*4 = 0.0180. Results on the same population for PI (n = 192) were PI*M1 = 0.7839, PI*M2 = 0.1276, PI*M3 = 0.0781, PI*M4 = 0.0026, and PI*M5 = 0.0026. Observed rare alleles in various systems indicate gene flow from Europe, Africa, and Asia into the Middle East. The results on Arab populations were considered in relation to available population data in the three adjacent continents. The emerging gene frequency profile for Arabs seems to fit with the central geographic and climatic position of the Middle East.

Adolescent↗
PubMed1987

HLA associations in an Arab type 1 diabetic population.

We have studied HLA-A, -B, -C, -DR, and -DQ antigen frequencies in 63 Type 1 diabetic Arab patients resident in Kuwait. Both HLA-DR3 (relative risk (RR) = 5.80) and -DR4 (RR = 2.87) showed positive associations with Type I diabetes mellitus in these patients whilst -DR2 (RR 0.16) and -DR5 (RR = 0.15) were negatively associated. The strong positive association with both HLA-DR3 and -DR4 was confirmed in Non-Gulf Arabs (RR = 12.55 and 4.29, respectively) whereas the Gulf Arabs had a significant positive association with HLA-DR3 (RR = 4.41) only. The disease was negatively associated with HLA-DR2 (RR = 0.05) in Gulf Arab patients only and with HLA-DR5 (RR = 0.10) in Non-Gulf Arabs only. HLA-DRw52 and -DRw53 were increased in Non-Gulf Arabs only (RR = 3.14 and 4.63, respectively). In both groups there was strong association with HLA-DQ3 (Gulf, RR = 28.11; Non-Gulf, RR = 6.25). Amongst HLA-A, -B, and -C loci, there was a positive association with HLA-B8 (RR = 19.06).

Diabetes Mellitus, Type 1↗
PubMed1981

Veno-occlusive disease and primary hepatic vein thrombosis in Israeli Arabs.

In a survey of nine major Israeli hospitals, 29 patients diagnosed between 1955 and 1975 as suffering from hepatic vein thrombosis were identified. Fifteen of the patients were Jews and 14 were Arabs. In contrast to the Jewish patients, all of whom were adults, the majority of the Arab patients were children below 10 years of age. Primary hepatic vein occlusion was 2.4 times more common among Arab than among Jewish patients. Of the 11 Arab patients with primary hepatic vein occlusion, three had histological changes typical of veno-occlusive disease; whereas in five others, thrombotic occlusion of large hepatic veins or of the vena cava was documented. Although no plant alkaloids could be directly implicated in any of the Arab patients, circumstantial evidence strongly supports such an etiology. All of our Arab patients originated from small agricultural communities where ancient methods of winnowing, which expose the home-ground wheat to a high risk of contamination by grains containing pyrrolizidine alkaloids, are still in use. This report confirms the world-wide distribution of veno-occlusive disease, and under-lines the need for a systematic search for possible sources of poisoning by pyrrolizidine alkaloids.

Adolescent↗
PubMed1998

Validation of the Arabic version of the Health Assessment Questionnaire (HAQ) in patients with rheumatoid arthritis.

UNLABELLED: Several instruments for measuring functional status in rheumatic diseases have been developed and validated. However, none is as yet available in Arabic. OBJECTIVE: To translate the Health Assessment Questionnaire (HAQ) from English to Arabic and to test the metrological properties, reliability, and validity of the Arabic version. METHODS: The study included 41 consecutive patients seen at the outpatient rheumatology clinic of a large teaching hospital in Kuwait for rheumatoid arthritis meeting 1987 American College of Rheumatology criteria. The HAQ was translated from English to Arabic by three translators who were aware of the intended use of the questionnaire. The translated questionnaire was administered to each patient during two clinic visits seven to ten days apart. Test-retest reliability was assessed based on the intraclass correlation coefficient. Internal consistency of individual items with the overall score was assessed using Cronbach's alpha coefficient. Construct validity was evaluated by determining Spearman's correlation between the Arabic HAQ score and disease activity variables. RESULTS: There were 34 women and seven men, with a median age of 38 years and a median disease duration of 5.3 years. Test-retest reliability was 0.81, internal consistency was 0.93, and construct validity ranged from 0.5 (erythrocyte sedimentation rate) to 0.75 (pain). CONCLUSION: The HAQ-A retains the characteristics of the original American version, and is a reliable and valid instrument for measuring functional disability in Arabic-speaking patients with rheumatoid arthritis.

Activities of Daily Living↗
PubMed2003

Cross-cultural adaptation and validation of an Arabic Health Assessment Questionnaire for use in rheumatoid arthritis patients.

OBJECTIVE: To test the reliability and validity of a modified and translated version of the original Health Assessment Questionnaire (HAQ) on patients with rheumatoid arthritis (RA). METHOD: A cohort of 184 RA patients from different Arabic countries (Egypt, Saudi Arabia, Sudan, Syria, Bahrain, Kuwait and Morocco) were recruited and asked to participate in the study. Two questions had been changed to suit the Arabic culture and to tackle some aspects that are commoner to be performed in the Arabic culture. After modification, translation and retranslation of the questionnaire, it was administered to the selected patients and tested for internal consistency, reliability and construct validity by correlating the yield of the questionnaire with other disease activity parameters. The questionnaire was administered again after a 1-week interval for evaluation of the reliability of this test. The modified questions were tested for their loyalty to the principal component and comparing their correlation with that of the other unchanged items. RESULTS: Test-retest showed strong reliability with a high percentage of agreement and high values for Kappa. Internal consistency showed a high value for standardized alpha (Cronbach's): 0.979 that did not show any significant change if any of the 20 items had been eliminated. The modified questionnaire had shown a strong validity when correlating its results with other disease activity parameters. This correlation was the strongest with tender joint count (TJC), Ritchie articular index (RAI), morning stiffness (MS) and visual analogue scale (VAS) and the least (but still significant) with rheumatoid factor (RF). CONCLUSION: The Arabic HAQ is a reliable and valid instrument that can be self-administered to Arabic RA patients to evaluate their functional disability. Its measurement properties were comparable to versions in other languages.

Activities of Daily Living↗
PubMed1998

Prenatal testing for genetic disorders among Arabs.

Since, at least in the near future, prenatal testing and abortion of affected fetuses will remain the main way of the prevention of genetic diseases, knowledge about the way of its acceptance in different cultures is important. The Israeli population includes two major groups: Jewish and Arabs, but while there is wide experience about the Jewish population and its attitude towards prenatal testing, little is known about the Arab population. This knowledge is particularly important, since genetic disorders are relatively frequent in the Arab world (Teebi and Farag, 1997). From 1992 to 1996, 816 prenatal tests were performed in our department on Arab women [143 chorionic villus sampling (CVS) procedures and 673 amniocenteses]. The indication for an early prenatal test was a high risk for a monogenic disorder in 140 out of the 146 tests performed (143 CVS procedures and three early amniocenteses). In 26 cases, the fetus was found to be affected and early abortion was chosen by the couple in 25 cases (96 per cent). The 670 late prenatal tests were done for various reasons including monogenic disorders (13 per cent), increased risk because of a previous child affected with Down syndrome or a neural tube defect (4.8 per cent), and an increased risk for a chromosomal aberration (78 per cent). In 31 cases of a late prenatal test, the fetus was found to be affected and only 21 couples (70 per cent) opted for an abortion. The major reason for this observation is probably related to religious and cultural factors. Since Arab women do not wish to have prenatal testing for only knowledge or reassurance, these factors should be taken into consideration during pre-amniocentesis counselling.

Abortion, Induced↗
PubMed1999

Cystic fibrosis mutations in Israeli Arab patients.

Mutation analysis was performed on 42 unrelated Israeli Arab CF patients. The previously known mutations in this population, DF508, N1303K, G542X, 4010delTATT, and S549R(T>G), were identified in 57 CF alleles, leaving 28 CF alleles with unknown mutations. Screening of the coding sequence of the CFTR gene by a single strand conformation analysis (SSCA) and direct sequencing revealed three point mutations and two intragenic deletions, including 2183AA>G, R75X, S549R (A>C), 3120+1Kbdel8.6Kb and del(exon2). In the present sample of Israeli Arab patients, 12 mutations account for 92% of the CF alleles. The mutations DF508, N1303K, W1282X and 3120+1Kbdel8.6Kb were found in all Arab ethnic subgroups. The mutations G85E, R75X, 2183AA>G, and del(exon2) were confined to Muslim Arabs, and the mutations 4010delTATT, S549R(A>C) and G542X were confined to Christian Arabs. Hum Mutat 14:543, 1999.

Arabs↗
PubMed2005

The relation between NOD2/CARD15 mutations and the prevalence and phenotypic heterogeneity of Crohn's disease: lessons from the Israeli Arab Crohn's disease cohort.

The prevalence of Crohn's disease depends on geographic location and racial background. Arg702Trp, Gly908Arg, and Leu1007fsinsC mutations in the NOD2/CARD15 gene are associated with Crohn's disease in Caucasians. The mutation rate among Israeli Jewish patients is 27%-41%. The prevalence of Crohn's disease is much lower in the Israeli Arab compared to the Israeli Jewish population. We studied the NOD2/CARD15 mutation rate and disease phenotype (according to the Vienna classification) among the Israeli Arabs and compared them with those in an Israeli Jewish cohort. We recruited 66 Israeli Arab patients and 122 ethnically matched controls. Five patients (8.2%) and three controls (2.3%) carried one NOD2/CARD15 mutation. The phenotypic characteristics of the Arab and Jewish patients were very similar. We conclude that NOD2/CARD15 mutations do not contribute to Crohn's susceptibility in the Israeli Arab population and suggest that NOD2/CARD15 mutations have an important effect on Crohn's prevalence within a specific population but not on the phenotype.

Adult↗
PubMed1986

The isolation of anti-gum arabic antibodies by affinity chromatography.

Antibodies directed at gum arabic have been induced in rabbits immunized with gum arabic in Freund's complete adjuvant. These antibodies have been isolated in pure form by affinity chromatography on AH-Sepharose 4B containing gum arabic ligands. Oxidation of the susceptable carbohydrate residues of gum arabic with periodate or reduction of the glucuronic acid moieties with carbodiimide and borohydride converted the polysaccharide to products which no longer yielded precipitin reactions with the antibodies. The antibodies are therefore anti-carbohydrate antibodies with specificity for certain carbohydrate units of the gum arabic. Results of chemical modification and inhibition experiments indicate that 4-alpha-L-arabinofuranosyl-D-glucuronic acid units of the polysaccharide are the major immunodeterminant groups.

Antibodies↗
PubMed2005

Oxidation of gum arabic by soluble colloidal MnO2.

In the present work, the oxidative degradation of gum arabic by colloidal manganese dioxide (MnO2) was carried out. Monitoring the disappearance of the MnO2 spectrophotometrically at 375 nm was used to follow the kinetics. The oxidation obeyed fractional-order kinetics with respect to the [gum arabic]. Effect of various experimental parameters such as the initial colloidal [MnO2], [HClO4], temperature, and complexing agents (P2O7(4-), F-, and Mn2+) for the oxidation of gum arabic was studied. The reaction was acid catalyzed. Addition of P2O(7)4-, F-, and Mn2+ ions enhances the rate of oxidation significantly. Gum arabic adsorbs onto the surface of the colloidal MnO2 through the equatorial -OH groups of the rhamnose moiety, and the complex breaks down into products. The Arrhenius equation was valid for the oxidation kinetics between 40 and 60 degrees C. To explain the observed kinetic results, a suitable mechanism and rate law for the reaction taking place at the surface of the colloidal particle has been proposed. The reducing nature of gum arabic is found be due to the presence of -OH group in the skeleton.

Colloids↗
PubMedDate not supplied

Ethnicity and prevalence of scleroderma-like syndrome: a study of Arab and Jewish Israeli insulin-dependent diabetic children.

Scleroderma-like syndrome (SLS) may represent the earliest apparent diabetes complication in insulin-dependent diabetic (IDDM) patients. To evaluate the frequency of SLS and its association with other diabetes-related pathology in our diabetic population, we studied 153 (127 Jewish and 26 Arab) IDDM patients and 45 healthy age- and gender-matched controls (25 Jewish, 20 Arab). The mean age and diabetes duration of the patients were 14.09 +/- 5.1 years and 51 +/- 45 months, respectively. While no diabetes-related pathology was found in the controls, SLS was detected in 47% of all patients (skin, 31.4%; arthropathy, 37.9%; both, 22%), and nephropathy, neuropathy, and retinopathy were present in 10.5%, 5.2%, and 4.6%, respectively. Independent of age, SLS directly correlated with diabetes duration (p < 0.01) and with the presence of either nephropathy or neuropathy (p < 0.009 and p < 0.005, respectively). One or more features of systemic diabetic involvement were present in 22% of patients with SLS, compared to only 7.2% in patients without SLS (p < 0.009). When patients were analyzed according to ethnicity, the frequency of skin involvement and neuropathy were found to be higher among Arab patients, particularly males (p < 0.002 and p < 0.005, respectively), and detection of one was significantly associated with the presence of the other (p < 0.001). In conclusion, our results suggest that SLS is the most common diabetic complication among Jewish and Arab IDDM patients, and its presence may reflect an inherited tendency to develop other serious diabetic complications. Ethnicity (Arab) by itself, particularly when associated with male gender, seems to accelerate neurological and dermatological diabetic involvement.

Adolescent↗
PubMed2002

Differences in the prevalence of asthma and current wheeze between Jews and Arabs: results from a national survey of schoolchildren in Israel.

BACKGROUND: There is evidence that the prevalence of asthma is higher in Jewish schoolchildren than in Arab schoolchildren. It is not clear to what extent other risk factors explain these differences. OBJECTIVE: To evaluate whether the population group differences in the prevalence of asthma and current wheeze remain after adjustment for several potential risk factors. METHODS: A national survey of 10,057 13- to 14-year-old schoolchildren was carried out in Israel in 1997. There were 7,436 Jewish children and 2,621 Arab children. Differences in the two population groups were examined while controlling for demographic and environmental factors such as: sex, parental education, parental smoking and asthma, crowding, and presence of older siblings. RESULTS: The prevalence of asthma and current wheeze was significantly higher in Jewish children compared with Arab children. The asthma prevalence was 7.8% for Jewish children and 4.9% for Arab children (P = 0.001), and prevalence of current wheeze was 20.7 and 10.1%, respectively (P = 0.001). After adjustment for demographic and environmental factors, the prevalence of asthma and current wheeze was still increased in the Jewish population (odds ratios: 1.51; 95% confidence interval [CI] = 1.06 to 2.15; 2.15 95% CI = 1.70 to 2.73, respectively). History of asthma in parents and residence in a rural area were significant risk factors for asthma and current wheeze. In addition, the presence of less than three older siblings was a significant risk factor for asthma, and female sex, ever having pets, and maternal smoking were significantly associated with current wheeze. CONCLUSIONS: The differences between Jewish and Arab children were not explained by the studied factors. Genetic factors, different environmental exposure, and nutritional habits should be studied to further explain the differences between these populations.

Adolescent↗
PubMed2006

Education effects on cognitive function in a healthy aged Arab population.

BACKGROUND: The Mini-mental State Examination (MMSE) has not been validated in Arabic speaking populations. The Brookdale Cognitive Screening Test (BCST) has been developed for use in low schooling populations. We investigated the influence of gender, education and occupation in a cognitively normal community sample which was assessed using an Arabic translation of the MMSE and the BCST. METHODS: Cognitively normal subjects (n=266, 59.4% males, mean age (SD): 72.4 (5.5) years) from an Arab community in northern Israel (Wadi Ara) were evaluated. Education was categorized into levels: 1=0-4 years, 2=5-8 years, 3=9-12 years. Effects of gender, education and occupation on MMSE and BCST were analyzed by ANOVA, taking age as a covariate. RESULTS: The mean MMSE score of males [26.3 (4.1)] was higher than that of females [23.6 (4.2) points]. Two-way ANOVA showed a significant interaction between gender and education on MMSE (p=0.0017) and BCST scores (p=0.0002). The effect of gender on MMSE and BCST was significant in education level 1 (p<0.0001, both tests) and level 2 (p<0.05, both tests). For education level 1, MMSE and BCST scores were higher for males, while both scores were higher for females in education level 2. The effect of occupation was not significant for both genders. CONCLUSION: Education and gender influence performance when using the Arabic translation of the MMSE and BCST in cognitively normal elderly. Cognitively normal females with 0-4 years of education scored lower than males. These results should be taken into consideration in the daily use of these instruments in Arabic.

Aged↗
PubMed2003

Daily stresses and uplifts during times of political tension: Jews and Arabs in Israel.

This study examined similarities and differences between Jews and Arabs in Israel in terms of their daily stressful and uplifting experiences and assessed the relation between these experiences and family and life satisfaction. Data were collected from representative samples of 697 Jews and 303 Arabs by using a computerized-assisted telephone interviewing system. Contrary to expectation, Jews reported more sources of hassles than did Arabs, whereas Arabs reported more uplifts. A structural equation modeling multigroup analysis indicated a similar factor suucture for hassles and uplifts in both groups. Family satisfaction was positively related to uplifts but not to hassles. For Arabs, uplifts had a positive effect only on family satisfaction, whereas for Jews they had a positive effect on both family and general life satisfaction.

Adaptation, Psychological↗
PubMed2004

Individuation among bedouin versus urban arab adolescents: ethnic and gender differences.

Three scales assessing individuation (Objective Measure of Ego-Identity Status [OMEIS], Separation-Individuation Test of Adolescence [SITA], and Multigenerational Interconnectedness Scale [MIS]) were administered to 40 female and 38 male Bedouin Arab adolescents and to 39 female and 38 male urban Arab adolescents in Grade 12. It was hypothesized that Bedouin Arab adolescents and female adolescents would manifest less individuation than urban Arab adolescents and male adolescents, respectively. Results from the OMEIS revealed that the identity foreclosed mean of the Bedouin adolescents was higher than that of the urban adolescents. As for the SITA, significant differences were found between Bedouin and urban Arabs in terms of dependency denial, separation anxiety, teacher enmeshment, peer enmeshment, and rejection expectancy. Significant gender differences were found in regard to dependency denial, and a borderline difference was found for separation anxiety. Significant effects of ethnicity and gender were found on the financial interconnectedness subscale of the MIS. The results support the present hypotheses concerning ethnicity differences and indicate that urbanization seems to narrow the differences in individuation between male and female adolescents.

Adolescent↗