Table 3.
Subgroup analysis of the relationship between cotinine and RC
| Characteristicb | Q1 | Q2 | Q3 | Q4 | Q5 | p-inta |
|---|---|---|---|---|---|---|
| Age strata | 0.76 | |||||
| < 60 years | ref | -0.35(-1.41, 0.72) | 0(-1.20, 1.21) | 0.09(-1.03, 1.21) | 2.05(1.01, 3.09) | |
| ≥ 60 years | ref | 0.34(-1.03, 1.70) | 1.5(-0.52, 3.51) | 1.44(-0.55, 3.43) | 2.75(0.97, 4.53) | |
| Sex | 0.02 | |||||
| Male | ref | -0.05(-1.37, 1.28) | 0.8(-0.77, 2.38) | 1.15(-0.41, 2.71) | 2.22(0.73, 3.71) | |
| Female | ref | -0.1(-1.32, 1.12) | -0.02(-1.22, 1.18) | -0.49(-1.73, 0.75) | 3.22(1.79, 4.65) | |
| Race | 0.73 | |||||
| Other/multiracial | ref | 0.11(-1.77, 1.98) | 0.25(-1.74, 2.25) | 0.7(-1.33, 2.72) | 1.08(-1.36, 3.52) | |
| Non-Hispanic black | ref | -0.17(-2.56, 2.21) | 0.12(-2.42, 2.65) | -0.47(-2.88, 1.93) | 1.53(-0.90, 3.96) | |
| Non-Hispanic white | ref | -0.18(-1.19, 0.84) | 0.52(-0.73, 1.78) | 0.52(-0.73, 1.77) | 2.86(1.76, 3.96) | |
| Alcohol use | 0.55 | |||||
| Non drinker | ref | 0.69(-1.11, 2.50) | 0.05(-1.68, 1.78) | 0.91(-1.67, 3.49) | 4.32(0.74, 7.90) | |
| Drinker | ref | -0.23(-1.13, 0.67) | 0.5(-0.66, 1.65) | 0.37(-0.69, 1.43) | 2.39(1.39, 3.39) | |
| Income level | 0.58 | |||||
| Poor | ref | 1.01(-2.59, 4.62) | -0.88(-4.47, 2.71) | 0.98(-2.73, 4.70) | 2.78(-1.01, 6.57) | |
| Not poor | ref | -0.17(-1.03, 0.70) | 0.6(-0.51, 1.70) | 0.45(-0.63, 1.53) | 2.59(1.62, 3.55) | |
| Education attainment | 0.05 | |||||
| High school or below | ref | -0.13(-1.87, 1.62) | -0.02(-1.84, 1.80) | -1.02(-2.82, 0.79) | 1.71(-0.03, 3.46) | |
| College graduate or above | ref | -0.17(-1.14, 0.81) | 0.49(-0.64, 1.62) | 1.2(-0.13, 2.52) | 2.98(1.81, 4.16) | |
| Cancer | 0.84 | |||||
| No | ref | 0.03(-0.86, 0.92) | 0.44(-0.66, 1.54) | 0.46(-0.56, 1.49) | 2.6(1.56, 3.64) | |
| Yes | ref | -0.72(-4.19, 2.74) | 0.32(-3.41, 4.04) | 0.69(-3.18, 4.57) | 1.06(-3.24, 5.36) | |
| Heart disease | 0.25 | |||||
| No | ref | -0.1(-1.01, 0.81) | 0.61(-0.42, 1.64) | 0.62(-0.36, 1.61) | 2.49(1.58, 3.40) | |
| Yes | ref | 0.01(-3.30, 3.32) | -1.03(-4.74, 2.67) | -1.48(-5.41, 2.45) | 2.54(-1.54, 6.63) | |
| Diabetes | 0.79 | |||||
| No | ref | -0.07(-0.95, 0.82) | 0.57(-0.49, 1.63) | 0.47(-0.48, 1.42) | 2.72(1.79, 3.64) | |
| Yes | ref | -0.38(-4.71, 3.95) | -1.67(-7.90, 4.56) | 1.8(-2.53, 6.14) | 0.35(-3.64, 4.34) |
ap-int: p for interaction
bAdjusted for: Age, Sex, BMI, Race, Income level, Education attainment, Alcohol use, MET, Cancer, Heart disease, Diabetes