Table 2.
Interaction analysis of SHS and 25(OH)D on the risk of hypertension
| Interaction | n (%) | Crude OR, 95% CI |
P | Model 1 OR, 95% CI | P | Model 2 OR, 95% CI |
P |
|---|---|---|---|---|---|---|---|
| Deficiency*SHS | 128(26.4) | 1.79(1.30, 2.46)** | 0.000 | 2.01(1.35, 2.97)** | 0.001 | 1.79(1.14, 2.80)** | 0.011 |
| Insufficiency*SHS | 53(17.3) | 1.04(0.71, 1.53) | 0.840 | 1.17(0.76, 1.81) | 0.474 | 1.04(0.64, 1.70) | 0.863 |
| Sufficiency*SHS | 38(19.8) | 1.23(0.80, 1.90) | 0.347 | 1.25(0.77, 2.04) | 0.373 | 1.19(0.68, 2.07) | 0.538 |
| Deficiency*non-SHS | 142(19.9) | 1.24(0.91, 1.69) | 0.170 | 1.57(1.09, 2.26)** | 0.015 | 1.35(0.89, 2.03) | 0.159 |
| Insufficiency*non-SHS | 123(18.2) | 1.11(0.81, 1.53) | 0.504 | 1.39(0.98, 1.97) | 0.065 | 1.29(0.88, 1.91) | 0.197 |
| Sufficiency*non-SHS | 76(16.7) | Ref. | – | Ref. | – | Ref. | – |
Model 1: age, race, education level, marital status, PIR
Model 2: model 1 + BMI, alcohol use, physical activity, diabetes, kidney disease
SHS: Secondhand smoke; ** : significant at p <0.05
n (%): numbers and prevalence rates of hypertension of each layer