Table 2.
Demographic and other pretreatment characteristics (intention-to-treat set) by total number of health consultations (n=405).
| Demographic and other pretreatment characteristics | Intervention group | Control group (C) | Between-group P value | |||||
| ≥5 times in total period (A) | <5 times in total period (B) | A-B | A-C | B-C | ||||
| Age (years) | ||||||||
| Total, n (%) | 98 (24.2) | 98 (24.2) | 209 (51.6) | |||||
| Mean (SDa) | 49.45 (12.29) | 44.64 (13.14) | 50.36 (14.27) | .009b | .59b | .001b | ||
| Median | 50.50 | 44.00 | 52.00 | |||||
| Range | 23.00-72.00 | 20.00-71.00 | 21.00-82.00 | |||||
| Range, n (%) | ||||||||
| 20-29 | 6 (6.1) | 13 (13.3) | 18 (8.6) | .17c | .67c | .07c | ||
| 30-39 | 19 (19.4) | 25 (25.5) | 40 (19.1) | |||||
| 40-49 | 19 (19.4) | 22 (22.5) | 33 (15.8) | |||||
| 50-59 | 33 (33.7) | 22 (22.5) | 61 (29.2) | |||||
| ≥60 | 21 (21.4) | 16 (16.3) | 57 (27.3) | |||||
| Sex, n (%) | ||||||||
| Total | 98 (24.2) | 98 (24.2) | 209 (51.6) | |||||
| Male | 53 (54.1) | 48 (49.0) | 101 (48.3) | .48c | .35c | .91c | ||
| Female | 45 (45.9) | 50 (51.0) | 108 (51.7) | |||||
| Body mass index (kg/m2) | ||||||||
| Total, n (%) | 98 (24.2) | 98 (24.2) | 209 (51.6) | |||||
| Mean (SD) | 28.82 (3.30) | 29.50 (2.93) | 29.40 (3.39) | .13b | .16b | .8b | ||
| Median | 28.00 | 29.00 | 28.90 | |||||
| Range | 25.00-41.40 | 24.90-37.90 | 24.90-41.80 | |||||
| Body weight (kg) | ||||||||
| Total, n (%) | 98 (24.2) | 98 (24.2) | 209 (51.6) | |||||
| Mean (SD) | 79.00 (13.83) | 81.17 (13.30) | 79.74 (15.28) | .26b | .68b | .46b | ||
| Median | 77.25 | 80.95 | 76.90 | |||||
| Range | 55.20-128.50 | 55.50-135.40 | 54.00-141.10 | |||||
| Height (cm) | ||||||||
| Total, n (%) | 98 (24.2) | 98 (24.2) | 209 (51.6) | |||||
| Mean (SD) | 165.17 (8.79) | 165.47 (9.48) | 164.12 (10.61) | .82b | .36b | .28b | ||
| Median | 167.00 | 165.35 | 163.00 | |||||
| Range | 144.50-181.00 | 148.00-188.90 | 142.80-189.00 | |||||
| Smoking status, n (%) | ||||||||
| Total | 98 (24.2) | 97 (24.2) | 203 (51.6) | |||||
| Nonsmoker | 57 (58.2) | 62 (63.9) | 129 (63.6) | .01c | .01c | .87c | ||
| Former smoker | 33 (33.7) | 17 (17.5) | 40 (19.7) | |||||
| Smoker | 8 (8.2) | 18 (18.6) | 34 (16.8) | |||||
| Drinking status, n (%) | ||||||||
| Total | 98 (24.2) | 97 (24.2) | 206 (51.6) | |||||
| Nondrinker | 33 (33.7) | 38 (39.2) | 84 (40.8) | .36c | .41c | .72c | ||
| Former drinker | 10 (10.2) | 5 (5.2) | 15 (7.3) | |||||
| Drinker | 55 (56.1) | 54 (55.7) | 107 (51.9) | |||||
| Completed education level, n (%) | ||||||||
| Total | 98 (24.2) | 98 (24.2) | 209 (51.6) | |||||
| Elementary school | 1 (1.0) | 3 (3.1) | 21 (10.1) | .37d | .02c | .04d | ||
| Middle school | 4 (4.1) | 5 (5.1) | 15 (7.2) | |||||
| High school | 34 (34.7) | 24 (24.5) | 65 (31.1) | |||||
| University | 59 (60.2) | 66 (67.4) | 108 (51.7) | |||||
aSD: standard deviation
b2-sample t test.
cPearson chi-square test.
dFisher exact test.