Table 1.
Frequency distributions of the diabetes study groups and the control group in terms of respondents' demographic characteristics.
| Control group | Insulin group | Tablet group | Combination therapy group | Drug-naive group | |
|---|---|---|---|---|---|
| n = 22 875 | n = 190 | n = 508 | n = 188 | n = 296 | |
| % | % | % | % | % | |
| Gender | |||||
| Female | 59.4 | 52.1 | 46.5 | 42.6 | 63.9 |
| Male | 40.6 | 47.9 | 53.5 | 57.4 | 36.1 |
| Age in 1998 | |||||
| 20–25 and 30–35 | 51.9 | 59.5 | 15.5 | 13.8 | 32.4 |
| 40–45 and 50–55 | 48.1 | 40.5 | 84.5 | 86.2 | 67.6 |
| BMI in 1998 | |||||
| Under 25 | 62.9 | 56.6 | 16.4 | 9.7 | 36.0 |
| 25 or over | 37.1 | 43.4 | 83.6 | 90.3 | 64.0 |
| BMI maximum in 1998 | |||||
| Under 25 | 46.7 | 35.8 | 9.6 | 4.4 | 22.5 |
| 25 or over | 53.3 | 64.2 | 90.4 | 95.6 | 77.5 |
| BDI in 1998 | |||||
| Under 19 | 95.7 | 93.0 | 90.0 | 88.7 | 87.8 |
| 19 or over | 4.3 | 7.0 | 10.0 | 11.3 | 12.2 |
| Smoking in 1998 | |||||
| Does not smoke | 45.4 | 38.7 | 37.1 | 30.4 | 34.2 |
| Smokes or has quit | 54.6 | 61.3 | 62.9 | 69.6 | 65.8 |
| Weekly drinking | |||||
| 0–22 g | 30.4 | 33.2 | 32.9 | 37.4 | 37.2 |
| Over 22 g | 69.6 | 66.8 | 67.1 | 62.6 | 62.8 |