Topics | Content of items | Type of items |
---|---|---|
Intention/decision | Intention to perform mammography screening in next 3 months, type of screening (program or elsewhere), intention to participate in next invitational period* | 3 multiple choice items |
Confidence | Confidence with the decision | 1 item, 5-point Likert scale |
Implementation of decision | Performance of mammography screening in last 3 months* | 1 multiple choice item |
Attitude | Important/not important, a good thing/a bad thing, beneficial/harmful, comfortable/uncomfortable | 4 semantic differentials items, 5-point Likert scale, possible score range −8 to 8 |
Knowledge | Target population, frequency and meaning of a positive screening result, incidence and mortality with or without screening program, false-negative screening results and overtreatment | 7 multiple choice items with one correct answer, possible score range 0 (very poor knowledge) to 7 (very good knowledge) |
Self-rated knowledge | 1 item, 5-point Likert scale, ranging from 1 (very good) to 5 (very poor) | |
Health status | Self-rated health | 1 item, 5-point Likert scale |
Health behaviour | Smoking status, previous mammography performance, reason for previous mammography (screening or diagnostic), performance of manual breast self-examination, diagnostic mammography in last 3 months* | 5 multiple choice items |
Screening behaviour | Use of other screenings (gynaecological cancer detection, skin cancer detection and health check-up) | 3 multiple choice items |
Perceived behavioural control | Feelings and expectations towards mammography screening† | 15 items, 5-point Likert scale |
Role of others/subjective norms | Advice to disadvice to participate or no advice by gynaecologist, general practitioner, partner, relatives and friends | 5 items, 5-point Likert scale |
Breast cancer | Self-rated breast cancer risk, familial history of breast cancer (mother or sister), own history of breast cancer | 3 items, multiple choice and 5-point Likert scale |
Demographic variables | Partnership, highest educational level, size of hometown, distance to screening unit, type of health insurance, registration for prevention bonus program of health insurance company | 7 multiple choice items |
Migration background | Country of birth, duration of stay, German nationality, language spoken at home | 4 multiple choice items |
German language skills | Skills in reading, writing, speaking and listening | 4 items, 5-point Likert scale |
Invitation status | Invitation for screening program received, time of receipt | 2 items, multiple choice and free text |
Influence of the questionnaire | Self-rated influence of questionnaire on decision | 1 item, 5-point Likert scale |
*Second questionnaire only. †First and second questionnaire.