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At least 37 records · Page 2Linked to original sources
PubMed2002

Age and distraction by telephone conversation in task performance: implications for use of cellular telephones while driving.

Predicted to diminish task performance were (a) distraction by telephone conversation and (b) older age. 38 participants pointed to letters on a randomized or alphabetized letter matrix during distraction by telephone conversation or no distraction. In a within-subjects design, telephone conversation negatively affected completion time but there were no age differences. Implications for cellular telephone use while driving are discussed.

Adolescent↗
PubMed2001

[Cardiopulmonary resuscitation via telephone instruction. Chest compression more appropriate for instruction via telephone than CPR].

Cardiopulmonary resuscitation (CPR) initiated by a bystander prior to arrival of the ambulance increases the chance of survival 2-3 times. Unfortunately a majority of patients do not receive such treatment. One way to approach the problem is to let the dispatcher instruct the witness in CPR via telephone when a presumed cardiac arrest occurs. In a recently performed study in Seattle patients with a presumed cardiac arrest were randomized to receive either traditional CPR (mouth-to-mouth ventilation plus chest compressions) or only chest compressions. Treatment was given by a witness via telephone instruction by the dispatcher. Among patients who only received chest compressions 14.6% could be discharged from hospital compared with 10.4% among patients who received traditional CPR. The difference was not significant. The results indicate that telephone instruction in CPR when a presumed cardiac arrest occurs might in certain cases preferably be restricted to chest compressions. The results of the trial are, however, difficult to translate into Swedish conditions, since ambulance response times in Sweden are much longer than in Seattle.

Cardiopulmonary Resuscitation↗
PubMed2005

[Factors associated with responses of telephone screening interview in a validity and reliability study of telephone interview to assess dietary intake in urban China].

OBJECTIVE: To describe the first phase of a multi-phase study exploring the possibility of conducting telephone dietary intake interviewing in Beijing, Shanghai and Hong Kong in urban China in 2002. METHODS: Three hundred healthy urban Chinese women aged 20 to 49years were sampled by random telephone screening interviews. RESULTS: Examination of the factors associated with their responses to the telephone screening showed that the completion rates differed by day of the week and time of the day. The completion rates were higher onWednesday and Thursday than other weekdays, and higher on Sunday than Saturday at the weekend. There was a trend for the completion rates to peak from 18 :00 to 21:30 during weekday evenings and between 11:00 and 12:00 AM and 19:00 and 20:00 PM during weekends. There was no significant interviewer difference in the completion rates except for one interviewer in Hong Kong, indicating that interviewer performance did not influence completion rates. Of all numbers dialed, 25% of the responding persons refused, with almost all (94.3%) occurring at or near the beginning of the screening interviews, either before or at invitation. Key reasons for refusal included "hung up without any interaction" (35.1%), "not available to participate" (28.6%) or "not interested in survey" (19.0%). Most of the refusals were firm and not possible to reverse.

Adult↗
PubMed1984

Long-term supervised domiciliary EEG monitoring in epileptic patients employing radio telemetry and telephone telemetry. I. Telephone telemetry system.

A PCM system provides digital transmission of 8 EEG channels over conventional voice graded telephone lines. Transmission of the EEG from the patient's residence to the clinical centre enables the use of existing monitoring facilities for carrying out continuously supervised long-term domiciliary EEG monitoring. Secondary channels simultaneously enable exchange of information for quality and performance control. The ease of use and the flexibility of the public telephone system enable recording from almost any place desired.

Electroencephalography↗
PubMed1993

Telephone answering machines: the influence of leaving messages on telephone interviewing response rates.

We studied women 45-54 years of age from two communities who failed to return a mailed survey in an experiment to assess the impact on interviewing response rates of leaving messages on telephone answering machines at the time of telephone follow-up. There were 88 and 103 subjects assigned to the "message" and "no message" groups, respectively. After adjustment for age, interviewer, and community, leaving messages increased the rate of reaching a household by about 15% and improved the overall interviewing response rate by about 15% as well. This improvement was more apparent in women from the higher socioeconomic status community.

Boston↗
PubMed2006

Tumour risk associated with use of cellular telephones or cordless desktop telephones.

BACKGROUND: The use of cellular and cordless telephones has increased dramatically during the last decade. There is concern of health problems such as malignant diseases due to microwave exposure during the use of these devices. The brain is the main target organ. METHODS: Since the second part of the 1990's we have performed six case-control studies on this topic encompassing use of both cellular and cordless phones as well as other exposures. Three of the studies concerned brain tumours, one salivary gland tumours, one non-Hodgkin lymphoma (NHL) and one testicular cancer. Exposure was assessed by self-administered questionnaires. RESULTS: Regarding acoustic neuroma analogue cellular phones yielded odds ratio (OR) = 2.9, 95 % confidence interval (CI) = 2.0-4.3, digital cellular phones OR = 1.5, 95 % CI = 1.1-2.1 and cordless phones OR = 1.5, 95 % CI = 1.04-2.0. The corresponding results were for astrocytoma grade III-IV OR = 1.7, 95 % CI = 1.3-2.3; OR = 1.5, 95 % CI = 1.2-1.9 and OR = 1.5, 95 % CI = 1.1-1.9, respectively. The ORs increased with latency period with highest estimates using > 10 years time period from first use of these phone types. Lower ORs were calculated for astrocytoma grade I-II. No association was found with salivary gland tumours, NHL or testicular cancer although an association with NHL of T-cell type could not be ruled out. CONCLUSION: We found for all studied phone types an increased risk for brain tumours, mainly acoustic neuroma and malignant brain tumours. OR increased with latency period, especially for astrocytoma grade III-IV. No consistent pattern of an increased risk was found for salivary gland tumours, NHL, or testicular cancer.

Journal Article↗