Ordinal multinomial logistic analysis on the predictors of PA_
| Variable | B | SE | Wald χ2 | Sig | OR | 95% CI | |
|---|---|---|---|---|---|---|---|
| Min. | Max. | ||||||
| Motivation | 0.033 | 0.009 | 14.174 | <0.001 | 1.033 | 0.016 | 0.051 |
| Self-efficacy | 0.164 | 0.062 | 5.735 | 0.017 | 1.178 | 0.030 | 0.299 |
| Occupational status | |||||||
| Employed | -0.420 | 0.205 | 4.183 | 0.041 | 0.657 | -0.822 | -0.017 |
| Unemployed (reference) | 0 | ||||||
| Monthly income, yuan (RMB) | |||||||
| <3000 | 0.791 | 0.294 | 7.236 | 0.007 | 2.206 | 0.215 | 1.368 |
| 3000–4999 | 0.755 | 0.229 | 10.906 | 0.001 | 2.128 | 0.307 | 1.203 |
| 5000 (reference) | 0 | ||||||
| Number of stents | |||||||
| 1 | -0.456 | 0.312 | 2.132 | 0.144 | 0.634 | -1.068 | 0.156 |
| 2 | -0.537 | 0.274 | 3.831 | 0.050 | 0.584 | -1.074 | 0.001 |
| 3 | -0.444 | 0.232 | 3.683 | 0.055 | 0.641 | -0.898 | 0.009 |
| 4 (reference) | 0 | ||||||
| Symptoms and effect exist in PA | |||||||
| Exist symptoms but no effect | 0.571 | 0.303 | 3.562 | 0.059 | 1.770 | -0.022 | 1.164 |
| Exist symptoms and mild effects | -0.022 | 0.276 | 0.006 | 0.937 | 0.978 | -0.563 | 0.520 |
| Exist symptoms and moderate effects | -0.414 | 0.369 | 1.261 | 0.261 | 0.661 | -1.137 | 0.309 |
| Exist symptoms and severe effects | 0.714 | 0.681 | 1.100 | 0.294 | 2.042 | -0.620 | 2.048 |
| No effect (reference) | 0 | ||||||
Univariate analysis of low, moderate, and high levels of PA_
| Item | Low (n, %) | Moderate (n, %) | High (n, %) | χ2/F/Z | P-value |
|---|---|---|---|---|---|
| Gender | Z = -0.053 | 0.958 | |||
| Male | 41 (21.7) | 124 (65.6) | 24 (12.7) | ||
| Female | 4 (10.8) | 22 (89.2) | 0 (0.0) | ||
| Age (years) | χ2 = 2.496 | 0.287 | |||
| <45 | 2 (15.4) | 9 (69.2) | 2 (15.4) | ||
| 45–59 | 17 (18.7) | 60 (65.9) | 14 (15.4) | ||
| 60–69 | 26 (21.3) | 88 (72.1) | 8 (6.6) | ||
| Area of residence | Z = -0.7 | 0.484 | |||
| Urban | 42 (20.1) | 146 (69.9) | 21 (10.0) | ||
| Rural | 3 (17.6) | 11 (64.7) | 3 (17.6) | ||
| Education level | χ2 = 1.559 | 0.459 | |||
| Less than high school | 9 (13.4) | 53 (79.1) | 5 (7.5) | ||
| High school | 21 (29.2) | 41 (56.9) | 10 (13.9) | ||
| Superior education | 15 (17.2) | 63 (72.4) | 9 (10.3) | ||
| Marital status | Z = -1.141 | 0.254 | |||
| Married | 44 (20.5) | 149 (69.3) | 22 (10.2) | ||
| Not married | 1 (9.1) | 8 (72.7) | 2 (18.2) | ||
| Occupational status | Z = -2.303 | 0.021 | |||
| Employed | 13 (16.5) | 51 (64.6) | 15 (19.0) | ||
| Unemployed | 32 (21.8) | 106 (72.1) | 9 (6.1) | ||
| Monthly income, yuan (RMB) | χ2 = 6.006 | 0.049 | |||
| <3000 | 3 (10.0) | 23 (76.7) | 4 (13.3) | ||
| 3000–4999 | 6 (9.8) | 49 (80.4) | 6 (9.8) | ||
| ≥5000 | 36 (26.6) | 85 (63.0) | 14 (10.4) | ||
| History of CHD (years) | χ2 = 2.261 | 0.520 | |||
| <1 | 17 (20.0) | 57 (67.1) | 11 (12.9) | ||
| 1–4 | 19 (18.4) | 72 (69.9) | 12 (11.7) | ||
| 5–9 | 7 (25.0) | 6 (75.0) | 0 (0.0) | ||
| ≥10 | 2 (25.0) | 6 (75.0) | 0 (0.0) | ||
| Years since PCI surgery (years) | χ2 = 2.961 | 0.398 | |||
| <0.5 | 11 (21.2) | 35 (67.2) | 6 (11.5) | ||
| 0.5–0.9 | 8 (19.0) | 28 (66.7) | 6 (14.3) | ||
| 1–4 | 18 (17.5) | 74 (71.8) | 11 (10.7) | ||
| ≥5 | 8 (29.6) | 18 (66.7) | 1 (3.7) | ||
| Number of stents | χ2 = 8.427 | 0.038 | |||
| 1 | 13 (12.3) | 79 (74.5) | 14 (13.2) | ||
| 2 | 18 (28.6) | 40 (63.5) | 5 (7.9) | ||
| 3 | 7 (21.9) | 21 (65.6) | 4 (12.5) | ||
| ≥4 | 7 (28.0) | 17 (68.0) | 1 (4.0) | ||
| Symptoms exist in PA | Z = -2.204 | 0.028 | |||
| Yes | 22 (27.5) | 52 (65.0) | 6 (7.5) | ||
| No | 23 (15.8) | 105 (71.9) | 18 (12.3) | ||
| Extent of symptoms’ affection | χ2 = 9.684 | 0.021 | |||
| None | 5 (18.5) | 20 (70.4) | 2 (7.4) | ||
| Lightly | 5 (17.2) | 21 (72.4) | 3 (10.3) | ||
| Moderately | 8 (44.4) | 9 (50.0) | 1 (5.6) | ||
| Severely | 4 (66.7) | 2 (33.3) | 0 (0.0) | ||
| Complications | Z = -0.381 | 0.703 | |||
| Yes | 24 (20.7) | 77 (66.4) | 15 (12.9) | ||
| No | 21 (19.1) | 80 (72.7) | 9 (8.2) | ||
| Motivation | 46 (49.7) | 156 (58.3) | 24 (61.9) | F = 14.105 | <0.001 |
| Self-efficacy | 46 (6.2) | 156 (7.4) | 24 (7.3) | F = 11.806 | <0.001 |
| Social support | 46 (37.1) | 156 (38.3) | 24 (39.6) | F = 1.112 | 0.331 |
Socio-demographic, medical, and psychological characteristics of the patients (n = 226)_
| Variable | n (%) |
|---|---|
| Gender | |
| Male | 189 (83.6) |
| Female | 37 (16.4) |
| Age (years) | |
| <45 | 13 (5.8) |
| 45–59 | 91 (40.2) |
| 60–69 | 122 (54.0) |
| Area of residence | |
| Urban | 209 (92.5) |
| Rural | 17 (7.5) |
| Education level | |
| Less than high school | 62 (29.6) |
| High school | 72 (31.9) |
| Superior education | 87 (38.5) |
| Marital status | |
| Married, cohabiting | 215 (95.1) |
| Single, widowed, divorced | 11 (4.9) |
| Occupational status | |
| Employed | 79 (35.0) |
| Unemployed | 147 (65.0) |
| Monthly income (RMB) | |
| <3000 | 30 (13.3) |
| 3000-4999 | 61 (27.0) |
| ≥5000 | 135 (59.7) |
| History of CHD (years) | |
| <1 | 85 (37.9) |
| 1–4 | 103 (46.0) |
| 5–9 | 28 (12.5) |
| ≥10 | 8 (3.6) |
| Years since PCI surgery | |
| <0.5 | 52 (23.1) |
| 0.5–0.9 | 42 (18.8) |
| 1–4 | 103 (46.0) |
| ≥5 | 27 (12.1) |
| Number of stents | |
| 1 | 106 (46.9) |
| 2 | 63 (27.8) |
| 3 | 32 (14.2) |
| ≥4 | 25 (11.1) |
| Symptoms exist in PA | |
| Yes | 80 (35.4) |
| No | 146 (64.6) |
| Extent of symptoms’ affection | |
| None | 27 (33.8) |
| Lightly | 29 (36.2) |
| Moderately | 18 (22.5) |
| Severely | 6 (7.5) |
| Complications | |
| Yes | 110 (48.7) |
| No | 116 (51.3) |
| Motivation (mean ± SD) | 226 (56.89 ± 12.09) |
| Self-efficacy (mean ± SD) | 226 (7.18 ± 1.51) |
| Social support (mean ± SD) | 226 (38.18 ± 6.88) |
Composition of 4 domains of PA_
| Item | n | Total (%) | Vigorous (%) | Moderate (%) | Walk (%) |
|---|---|---|---|---|---|
| Leisure-time | 226 | 84.5 | 12.8 | 18.6 | 62.1 |
| Housework | 226 | 47.3 | 1.3 | 46.9 | – a |
| Work | 79 | 43.0 | 0.0 | 2.5 | 38.0 |
| Transport | 226 | 40.3 | – a | 25.9 | 26.5 |