Dates of birth and seasonal changes in well-being among 4904 subjects completing the seasonal pattern assessment questionnaire.
نویسندگان
چکیده
BACKGROUND Abnormal distributions of birthdates, suggesting intrauterine aetiological factors, have been found in several psychiatric disorders, including one study of out-patients with Seasonal Affective Disorder (S.A.D.). We investigated birthdate distribution in relation to seasonal changes in well-being among a cohort who had completed the Seasonal Pattern Assessment Questionnaire (SPAQ). METHOD A sample of 4904 subjects, aged 16 to 64, completed the SPAQ. 476 were cases of S.A.D. on the SPAQ and 580 were cases of sub-syndromal S.A.D. (S-S.A.D.). 92 were interview confirmed cases of S.A.D. Months and dates of birth were compared between S.A.D. cases and all others, between S.A.D. and S-S.A.D. cases combined and all others, and between interview confirmed cases and all others. Seasonality, as measured through seasonal fluctuations in well-being on the Global Seasonality Scores (GSS) of the SPAQ, was compared for all subjects by month and season of birth. RESULTS There was no evidence of an atypical pattern of birthdates for subjects fulfilling criteria for S.A.D., for the combined S.A.D./S-S.A.D. group or for interview confirmed cases. There was also no relationship between seasonality on the GSS and month or season of birth. LIMITATIONS Diagnoses of S.A.D. made by SPAQ criteria are likely to be overinclusive. CONCLUSION Our findings differ from studies of patients with more severe mood disorders, including psychiatric out-patients with S.A.D. The lack of association between seasonality and birthdates in our study adds credence to the view that the aetiology of S.A.D. relates to separable factors predisposing to affective disorders and to seasonality.
منابع مشابه
Seasonal changes, sleep length and circadian preference among twins with bipolar disorder
BACKGROUND We aimed at studying the seasonal changes in mood and behaviour, the distribution of hospital admissions by season, and the persistence of the circadian type in twins with bipolar disorder and their healthy co-twins. METHODS All Finnish like-sex twins born from 1940 to 1969 were screened for a diagnosis of bipolar type I disorder. The diagnosis was assessed with a structured resear...
متن کاملDetermination of Seasonal Influenza Vaccination Acceptation Rate and Assessment of Knowledge and Attitude of Physicians and Personnel of Ali-Asghar Children’s Hospital
Background: Influenza is an acute respiratory viral infectious disease that can cause 650,000 deaths annually. Hospital personnel are highly exposed to it. Attention should be paid to the fact that these people, along with the risk to themselves, spread the infection among other patients and vulnerable groups’ like pediatric patients. The best way to prevent the disease is vaccination, which ha...
متن کاملSeasonal Pattern Of Brucellosis In Iran: A Systematic Review And Meta-Analysis
Background and purpose: Investigation of the seasonal pattern of brucellosis occurrence may help us to determine the etiology of disease. Seasonal pattern of brucellosis in different parts of Iran has been reported by several studies. Combining the results of these studies provide a reliable estimation of a total seasonal pattern of this zoonosis disease. This study aims to ...
متن کاملDoes Tuberculosis Have a Seasonal Pattern among Migrant Population Entering Iran?
Background There are few quantitative documents about the seasonal incidence of tuberculosis (TB) among immigrant populations. Concerning the significant role of recognizing seasonal changes of TB in improving the TB control program, this study determines the trend and seasonal temporal changes of TB among immigrants entering Iran. Methods In this longitudinal study, data from the Iranian TB ...
متن کاملPattern of pediatric dermatoses and seasonal variations in a tertiary referral center in central India
Background: Skin diseases in the pediatric population are common worldwide, including rural and urban areas. There is a variation in the pattern and presentation of dermatoses, with eczemas being the most common skin disorder in developed countries and infestations in the developing countries. To study pattern, age-gender wise distribution and seasonal variations of various ped...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Journal of affective disorders
دوره 104 1-3 شماره
صفحات -
تاریخ انتشار 2007