Table 4. Comparison of proportions of respondents with mild or or more severe depression or anxiety (PHQ-9 or GAD-7 total score ≥5) or moderate or severe depression or anxiety (PHQ-9 or GAD-7 total score ≥10) among intervention group and control group respondents who completed both the baseline and 6-month follow-up assessments.
| scale | control group | intervention group | comparison of control and intervention groups | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | baseline n (%) | 6 months n (%) | McNemar t-test (p) |
n | baseline n (%) | 6 months n (%) | McNemar t-test (p) |
at baseline OR (95% CI) | at 6 months OR (95% CI) | at 6 months OR (95% CI)a | |||
| PHQ-9 ≥5 | 1239 | 218 (17.6) |
322 (26.0) |
32.00 (<0.001) | 3039 | 379 (12.5) |
332 (10.9) |
4.29 (0.043) | 0.67 (0.56-0.80) | 0.35 (0.29-0.41) | 0.36 (0.30-0.43) | ||
| GAD-7 ≥5 | 1239 | 100 (8.1) |
167 (13.5) |
22.11 (<0.001) | 3039 | 106 (3.5) |
120 (3.9) |
0.90 (0.343) | 0.68 (0.53-0.88) | 0.34 (0.27-0.42) | 0.34 (0.27-0.43) | ||
| PHQ-9 ≥10 | 1239 | 57 (4.6) |
83 (6.7) |
5.30 (0.021) | 3039 | 171 (5.6) |
151 (5.0) |
1.38 (0.240) | 0.75 (0.54-1.04) | 0.57 (0.43-0.76) | 0.60 (0.45-0.81) | ||
| GAD-7 ≥10 | 1239 | 17 (1.4) |
22 (1.8) |
0.43 (0.511) | 3039 | 36 (1.2) |
29 (1.0) |
0.68 (0.410) | 0.86 (0.48-1.54) | 0.53 (0.31-0.93) | 0.60 (0.34-1.07) | ||
| PHQ-9 or GAD-7 ≥5 | 1239 | 236 (19.0) |
336 (27.1) |
28.74 (<0.001) | 3039 | 416 (13.7) |
345 (11.4) |
9.42 (<0.001) | 0.67 (0.57-0.80) | 0.34 (0.29-0.41) | 0.36 (0.30-0.43) | ||
| PHQ-9 or GAD-7 ≥10 | 1239 | 60 (4.8) |
88 (7.1) |
5.79 (0.016) | 3039 | 111 (3.7) |
122 (4.0) |
0.51 (0.474) | 0.74 (0.54-1.03) | 0.55 (0.41-0.73) | 0.58 (0.43-0.78) | ||
| self-report of unstable blood pressure control | 1225 | --- | 37 (3.0) |
--- | 3015 | --- | 101 (3.3) |
--- | --- | 0.90 (0.61-1.32) | --- | ||
| self-report of unstable diabetes control | 1210 | --- | 59 (4.9) |
--- | 2979 | --- | 107 (3.6) |
--- | --- | 1.38 (0.99-1.90) | --- | ||
PHQ-9,9-item Patient Health Questionnaire[13]
GAD-7,7-item General Anxiety Disorder scale[14]
SF-12-PCS, Physical Component Score of 12-item Short Form Health Survey[15]
SF-12-MORCS, Mental Component Score of 12-item Short Form Health Survey[15]
OR, Odds Ratio
95% CI, 95 percent Confidence Interval
aOdds ratio adjusted for baseline values value and for demographic variables that were different at baseline (i.e., occupation, occurrence of sequelae, and hospital-based treatment in prior 6 months).