Research Article

Pathway-Driven Approaches of Interaction between Oxidative Balance and Genetic Polymorphism on Metabolic Syndrome

Table 1

Baseline characteristics of this study by OBS quantile.

CharacteristicsQ1 ()Q2 ()Q3 ()Q4 () trend

Age (years)<0.001
Sex<0.001
 Male1432 (69)569 (49)817 (37)199 (22)
 Female637 (31)600 (51)1378 (63)711 (78)
Region<0.001
 Rural (Ansung)1194 (58)618 (53)989 (45)419 (46)
 Urban (Ansan)875 (42)551 (47)1206 (55)491 (54)
BMI0.105
Education (years)<0.001
 Elementary school or less261 (14)300 (12)98 (9)88 ()
 Middle school graduate814 (44)1122 (46)475 (44)420 (44)
 High school or higher770 (42)1036 (42)503 (47)440 (47)
Monthly income<0.001
 <1000724 (40)876 (36)318 (30)259 (27)
 1000–2000422 (23)550 (23)238 (22)200 (21)
 ≥2000682 (37)450 (41)516 (48)486 (52)
Total energy intake (kcal/day)<0.001

Equal weight method; US dollar in 2014; for linear trend was determined by the general linear model for continuous variables and by test for categorical variables. Total energy intake was calculated using food frequency questionnaires.