Table 1 Study population in a randomised controlled trial at Swedish primary heath care centres. The confidence intervals indicate the 95% confidence interval for the difference between the proportion in the intervention group (n = 132) and in the control group (n = 139)
Total | Intervention | Control | Difference in proportion | 95% CI for difference in proportion | |||
|---|---|---|---|---|---|---|---|
n | % | n | % | ||||
Total number of patients | 271 | 132 | 100.1- | 139 | 100.0- | ||
Sex | |||||||
Women | 185 | 88 | 66.7 | 97 | 69.8 | 3.1 | −0.080-0.14 |
Men | 86 | 44 | 33.3 | 42 | 30.2 | 3.1 | −0.080-0.14 |
Age (years) | |||||||
18–29 | 45 | 20 | 15.2 | 25 | 18.0 | 2.8 | −0.061-0.12 |
30–49 | 127 | 55 | 41.7 | 72 | 51.8 | 10.1 | −0.22-0.017 |
50–65 | 99 | 57 | 43.2 | 42 | 30.2 | 13 | 0.016–0.24 |
Number of general practitioners | 63 | 29 | – | 34 | – | ||