Sentence examples for population based questionnaire from inspiring English sources

In a population based questionnaire of 1002 people from the UK, 13% reported gluten sensitivity, with 3.7% claiming to be on a gluten-free diet.

Even though rather strict criteria were used (Doctors diagnose or current asthma medication) the prevalence of asthma in the random sample (9.3%) was higher than seen in population based questionnaires, around five percent [ 17].

A detailed description of the study population based on questionnaire information and results from the physical examination (see below) is summarised in table 1.

12 The detailed description of the study population based on questionnaire information and results from the physical examination (see below) is summarised in table 1.

The aim of this paper is to compare clinical and demographic characteristics in AD individuals recruited from general practice or by population based screening questionnaires in the same geographical area.

Additional file 1: Is population based survey household questionnaire.

(PDF 643 kb) Additional file 2: Population based survey individual questionnaire.

39 Our study has several strengths: the cohort was population based, the dietary questionnaire was validated, several potential confounding variables were ascertained in detail, and nationwide data linkage in Sweden allowed virtually complete follow-up and objective ascertainment of cardiovascular outcomes.

Design Population based cross sectional postal questionnaire survey.

The instrument demonstrates promising validity and will be a suitable questionnaire for population based research on diet changes and the impact of nutrition on Qol.

Large scale population based studies using data from questionnaires have proved to be successful in reaching a valid diagnosis for migraine, 23 24 25 w3 and information in health insurance databases is often based on medical records or claims.