Appendix 1.
Characteristics of the study participants. Working participants of HUNT3 (2006-2008) aged 19-66 years. [SD = standard deviation; BMI = body mass index].
| Men |
Women |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Farmers |
All other occupational groups |
Farmers |
All other occupational groups |
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| n | %* | mean | SD | range | n | %* | mean | SD | range | n | %* | mean | SD | range | n | %* | mean | SD | range | |
| Number of study participants | 1100 | 10026 | 317 | 13429 | ||||||||||||||||
| Age, mean (+/- SD) | 1100 | 50.0 | 9.8 | 21.7 – 66.8 | 10026 | 48.1 | 10.8 | 19.2 – 66.9 | 317 | 48.0 | 10.3 | 20.9 – 66.5 | 13429 | 46.5 | 11.0 | 19.2 – 66.9 | ||||
| Education | ||||||||||||||||||||
| Not graduated from secondary school | 684 | 62.2 | 3257 | 32.5 | 185 | 58.4 | 4988 | 37.1 | ||||||||||||
| Secondary school graduate | 339 | 30.8 | 4472 | 44.6 | 94 | 29.7 | 4272 | 31.8 | ||||||||||||
| College/university graduate, three years or more | 77 | 7.0 | 2297 | 22.9 | 38 | 12.0 | 4169 | 31.0 | ||||||||||||
| Health | ||||||||||||||||||||
| Quality of life - “very satisfied”, “satisfied” or “somewhat satisfied” | 940 | 87.4 | 8886 | 89.4 | 274 | 87.8 | 11676 | 87.8 | ||||||||||||
| Self-reported health - “not so good” or “poor” | 188 | 17.7 | 1530 | 15.5 | 74 | 24.0 | 2408 | 18.4 | ||||||||||||
| Having a long-lasting illness or injury (physical or mental) which impairs daily life functioning** | 282 | 26.7 | 2328 | 23.8 | 85 | 28.0 | 3148 | 24.1 | ||||||||||||
| Long-lasting impairment because of physical illness (slight, moderate, severe)** | 174 | 15.8 | 1510 | 15.1 | 60 | 18.9 | 2317 | 17.3 | ||||||||||||
| Long-lasting impairment because of mental health problems (slight, moderate, severe)** | 37 | 3.4 | 451 | 4.5 | 11 | 3.5 | 634 | 4.7 | ||||||||||||
| Current physical pain which has lasted more than six months | 379 | 35.4 | 3057 | 31.0 | 124 | 40.3 | 4702 | 35.9 | ||||||||||||
| Sick leave certificate by a doctor in the last 12 months | 331 | 30.7 | 2727 | 27.5 | 109 | 34.9 | 5056 | 38.1 | ||||||||||||
| Visited a doctor in the last 12 months*** | 570 | 64.4 | 5629 | 68.0 | 190 | 76.6 | 8815 | 81.5 | ||||||||||||
| Consultation at a psychiatric outpatient clinic in the last 12 months | 12 | 1.4 | 152 | 1.9 | 5 | 2.0 | 274 | 2.6 | ||||||||||||
| Have or have had mental health problems which you have sought help for | 77 | 7.2 | 880 | 9.0 | 40 | 13.1 | 1981 | 15.1 | ||||||||||||
| Lifestyle | ||||||||||||||||||||
| BMI | 1099 | 27.3 | 3.6 | 17.2 – 44.3 | 10013 | 27.5 | 3.6 | 16.7 – 48.9 | 317 | 27.3 | 5.0 | 18.6 – 46.1 | 13406 | 26.5 | 4.6 | 12.1 – 54.3 | ||||
| Daily smoker | 100 | 9.1 | 1364 | 13.6 | 45 | 14.2 | 2505 | 18.7 | ||||||||||||
| Exercise at least once a week | 653 | 60.8 | 7315 | 73.6 | 242 | 77.5 | 11362 | 85.3 | ||||||||||||
| May have an alcohol problem**** | 114 | 10.4 | 1593 | 15.9 | 7 | 2.2 | 577 | 4.3 | ||||||||||||
| Work | ||||||||||||||||||||
| Work part time | 59 | 5.4 | 872 | 8.7 | 70 | 22.1 | 7096 | 52.9 | ||||||||||||
| Work full time (up to 40 hours a week) | 140 | 12.7 | 5070 | 50.6 | 98 | 30.9 | 4614 | 34.4 | ||||||||||||
| Work >40 hours a week | 901 | 81.9 | 4078 | 40.7 | 149 | 47.0 | 1712 | 12.8 | ||||||||||||
* Percentage of participants who reported the indicated response alternative (s). The total number on individual variables may not add up to the total number of study participants because of missing data
** of at least one year duration
*** general practictioner, specialist outside of a hospital, hospital outpatient clinic (except psychiatric)
**** CAGE (Cut down Annoyed Guilty Eye-opener) questionnaire score ≥2 (Ewing, JA. Detecting alcoholism. The CAGE questionnaire. JAMA. 1984;252(14):1905–07.)