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Table 2 Interaction analysis of SHS and 25(OH)D on the risk of hypertension

From: Joint effect of 25-hydroxyvitamin D and secondhand smoke exposure on hypertension in non-smoking women of childbearing age: NHANES 2007-2014

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.
  1. Model 1: age, race, education level, marital status, PIR
  2. Model 2: model 1 + BMI, alcohol use, physical activity, diabetes, kidney disease
  3. SHS: Secondhand smoke; ** : significant at p <0.05
  4. n (%): numbers and prevalence rates of hypertension of each layer