Breast cancer screening was ascertained from the question "Have you ever been for a breast screening mammogram?".
The dentition aspects investigated in SABE are - ➢ The prevalence of oral disease in the elderly, ascertained from the question: Are you missing any teeth?
We investigated the effect of ambient pollutant concentrations on self-reports of morning wheeze, ascertained by the question "Did you wheeze after bedtime?" programmed into the EasyOne spirometer.
Employment status was ascertained by the question 'are you currently in paid work?' and was reassessed in the second and third trimester, respectively.
A history of PSA testing was ascertained from the question, "Have you ever had a blood test ordered by your doctor to check for prostate disease?
A self-reported history of bowel cancer screening was ascertained from the question, "Have you ever been screened for colorectal (bowel) cancer?
Ascertained by the question 'In the past 12 months, how often, on average has your child's sleep been disturbed due to wheezing?' We defined troublesome asthma as one or more nights with disturbed sleep per week.
Shingles history was ascertained through the question: 'Has your health care provider ever told you that you had shingles?' Women responding 'yes' where then asked: 'How many episodes of shingles have you had in the past six months?" In addition to the questions, shingles-affected areas or post-recovery scars were assessed during physical examination.
Self-assessed need for health care was ascertained by the question: 'The last time you needed health care, did you get health care?' Those who answered 'yes' were directed to further questions about their use of various types of inpatient and outpatient services, including long-term care, home care, or the use of traditional healers.
Use of antidepressant medication was ascertained by the question "Do you take any of the following medications or vitamins at least 3 days a week?" Patients who marked yes for "Antidepressants (Prozac, Zoloft, Elavil, etc)." were classified as using antidepressant medications.
Ethnicity was ascertained by the question, 'To which ethnic or cultural groups do your ancestors belong?' Individuals were able to classify themselves in the following categories: White, Chinese, south Asian, Black, Filipino, Latin American, Southeast Asian, Arab, west Asian, Japanese, Korean, Aboriginal/First Nation (North American, Indian, Métis or Inuit, or Other).
