Table 2. Association of physical exercise and cognitive decline. |
| Exercise |
Cognitive
decline, n (%) |
OR
(95% CI) for cognitive decline |
| Unadjusted |
Model
1 |
Model
2 |
| Exercise
intensity |
| No |
117 (41.1) |
Reference |
Reference |
Reference |
| Light |
236
(31.1) |
0.65
(0.49-0.86) |
0.62
(0.47-0.83) |
0.70
(0.51-0.95) |
| Moderate |
247 (25.0) |
0.47 (0.36-0.63) |
0.48 (0.37-0.64) |
0.56 (0.41-0.75) |
| Vigorous |
288
(25.7) |
0.50
(0.38-0.65) |
0.54
(0.41-0.71) |
0.55
(0.41-0.74) |
| Exercise
frequency |
| No |
117 (41.1) |
Reference |
Reference |
Reference |
| Light,
1-5 days |
37
(29.1) |
0.59
(0.38-0.93) |
0.56
(0.35-0.88) |
0.61
(0.38-0.99) |
| Light,
6-7 days |
199 (31.5) |
0.66 (0.50-0.88) |
0.64 (0.48-0.85) |
0.72 (0.52-0.99) |
| Moderate,
1-5 days |
81
(24.2) |
0.46
(0.32-0.65) |
0.46
(0.33-0.66) |
0.51
(0.35-0.74) |
| Moderate,
6-7 days |
166 (25.4) |
0.49 (0.36-0.66) |
0.49 (0.37-0.67) |
0.58 (0.42-0.81) |
| Vigorous,
1-5 days |
122
(24.6) |
0.47
(0.34-0.64) |
0.50
(0.37-0.69) |
0.54
(0.38-0.75) |
| Vigorous,
6-7 days |
166 (26.6) |
0.52 (0.39-0.70) |
0.57 (0.42-0.77) |
0.56 (0.41-0.78) |
| PAC |
| Basic
PAC |
117(41.1) |
Reference |
Reference |
Reference |
| Increased
PAC Q1 |
215(30.6) |
0.63 (0.48-0.84) |
0.60 (0.45-0.81) |
0.69 (0.50-0.94) |
| Increased
PAC Q2 |
159(24.1) |
0.46 (0.34-0.61) |
0.47 (0.35-0.64) |
0.69 (0.50-0.94) |
| Increased
PAC Q3 |
181(24.8) |
0.47 (0.35-0.63) |
0.53 (0.39-0.72) |
0.58 (0.43-0.80) |
| Increased
PAC Q4 |
216(27.8) |
0.55 (0.42-0.74) |
0.67 (0.50-0.90) |
0.65 (0.48-0.89) |
|
Unadjusted: univariate model. Model 1, adjusted for age and sex. Model 2, adjusted for age, sex, marriage, education, smoking and drinking. OR, odds ratio. CI, confidence interval. PAC, physical activity score. Increased PAC referred to PAC that increased due to exercise. |
|