Table 3. Association between frequency of acupuncture clinic visits and subjective health status.
| Frequency of visits (per year) | PCS | MCS | RCS | ||||
|---|---|---|---|---|---|---|---|
| B (95% CI) | P-value | B (95% CI) | P-value | B (95% CI) | P-value | ||
| Crude analysis with MI N = 1,363 | <24 | Ref. | Ref. | Ref. | |||
| 24–47 | -1.5 (-3.5, 0.5) | 0.142 | -0.8 (-2.4, 0.8) | 0.308 | -0.3 (-2.3, 1.7) | 0.785 | |
| 48–95 | -4.2 (-6.0, -2.3) | <0.001 | -1.0 (-2.5, 0.5) | 0.185 | -2.1 (-4.0, -0.3) | 0.024 | |
| ≥96 | -7.9 (-10.3, -5.6) | <0.001 | -1.4 (-3.3, 0.4) | 0.126 | -4.9 (-7.2, -2.5) | <0.001 | |
| Adjusted analysis with MI* N = 1,363 | <24 | Ref. | Ref. | Ref. | |||
| 24–47 | -1.4 (-3.2, 0.3) | 0.111 | -0.5 (-2.0, 1.0) | 0.493 | -0.1 (-2.0, 1.9) | 0.928 | |
| 48–95 | -2.8 (-4.5, -1.1) | 0.002 | -1.3 (-2.8, 0.1) | 0.068 | -0.8 (-2.7, 1.1) | 0.397 | |
| ≥96 | -5.6 (-7.8, -3.3) | <0.001 | -2.0 (-3.9, -0.1) | 0.037 | -2.9 (-5.4, -0.4) | 0.021 | |
| Adjusted analysis with CC* N = 1,128 | <24 | Ref. | Ref. | Ref. | |||
| 24–47 | -1.3 (-3.2, 0.6) | 0.185 | -0.6 (-2.2, 1.0) | 0.452 | 0.1 (-2.0, 2.1) | 0.942 | |
| 48–95 | -2.1 (-3.9, -0.2) | 0.028 | -1.4 (-2.9, 0.2) | 0.081 | -0.4 (-2.4, 1.6) | 0.670 | |
| ≥96 | -5.1 (-7.5, -2.6) | <0.001 | -2.6 (-4.7, -0.6) | 0.011 | -2.2 (-4.8, 0.4) | 0.101 | |
PCS, physical component summary; MCS, mental component summary; RCS, role/social component summary; B, unstandardized regression coefficient; CI, confidence interval; MI, multiple imputation; CC, complete case; Ref, reference.
* Adjusted for age, sex, location of acupuncture clinic, working status, household income, education level, number of symptoms, pain, treatment costs, duration of visits, use of conventional medicine and other CAMs, trust in practitioners, effectiveness of treatment.