Research Article

Prevalence and Risk Factors of Childhood Hypertension in Urban-Rural Areas of China: A Cross-Sectional Study

Table 3

Results of the univariate logistic model of the risk factors for childhood hypertension.

VariablesaTotalUrbanRural
βOR (95% CI)βOR (95% CI)βOR (95% CI)

Region (urban vs. rural)−0.2090.811 (0.707, 0.931)0.003
Obesity, ref. normal
 Overweight0.4041.497 (1.330, 1.686)<0.0010.4461.563 (1.260, 1.938)<0.0010.3951.484 (1.285, 1.714)<0.001
 Obesity1.2833.608 (3.095, 4.206)<0.0011.3543.872 (2.988, 5.017)<0.0011.2763.584 (2.946, 4.359)<0.001
Education, ref. ≤9 y
 ∼12−0.1370.872 (0.782, 0.972)0.014−0.0030.997 (0.815, 1.221)0.9810.0681.070 (0.936, 1.225)0.322
 ∼15−0.0870.917 (0.775, 1.085)0.3130.1661.181 (0.893, 1.562)0.244−0.0170.983 (0.789, 1.225)0.877
 >150.1561.169 (0.667, 2.049)0.5850.5231.687 (0.814, 3.497)0.1590.3061.358 (0.545, 3.383)0.511
Father’s occupation, ref. worker
 Manager−0.1410.869 (0.705, 1.071)0.1870.3261.386 (0.965, 1.990)0.077−0.3840.681 (0.525, 0.883)0.004
 Technicist/researcher−0.1080.898 (0.697, 1.157)0.4040.4981.646 (1.168, 2.318)0.004−0.3770.686 (0.453, 1.039)0.075
 Farmer−0.0780.925 (0.819, 1.045)0.2090.0031.003 (0.785, 1.282)0.981−0.1790.836 (0.725, 0.963)0.013
 Others−0.1940.824 (0.719, 0.944)0.0050.1061.112 (0.874, 1.414)0.390−0.2510.778 (0.657, 0.923)0.004
Mother’s occupation, ref. worker
 Manager−0.0510.950 (0.740, 1.220)0.6880.2191.244 (0.799, 1.937)0.333−0.2680.765 (0.563, 1.038)0.086
 Technicist/researcher0.1531.165 (0.819, 1.659)0.3960.5311.701 (1.024, 2.825)0.040−0.0610.940 (0.570, 1.551)0.810
 Farmer−0.1410.868 (0.761, 0.990)0.035−0.0350.965 (0.769, 1.212)0.762−0.1550.856 (0.727, 1.008)0.063
 Others−0.0020.998 (0.881, 1.131)0.977−0.0150.985 (0.774, 1.254)0.905−0.1170.890 (0.767, 1.033)0.125
Income, ref. ≤500 RMB
 ∼1000−0.0120.988 (0.775, 1.259)0.920−0.1310.877 (0.383, 2.009)0.7570.0261.027 (0.796, 1.325)0.839
 ∼2000−0.0920.912 (0.727, 1.144)0.428−0.1800.835 (0.396, 1.763)0.6370.0281.029 (0.809, 1.308)0.819
 ∼3000−0.1640.849 (0.679, 1.062)0.151−0.1130.893 (0.433, 1.841)0.7590.0191.019 (0.801, 1.296)0.878
 >3000−0.2970.743 (0.599, 0.921)0.007−0.0810.922 (0.456, 1.866)0.822−0.0270.973 (0.770, 1.231)0.822
Living with grandparents (yes vs. no)0.1301.139 (0.991, 1.309)0.066−0.2280.796 (0.568, 1.116)0.1860.1201.127 (0.965, 1.316)0.131
People live with child, ref. 2∼3
 10.1651.179 (0.931, 1.494)0.1720.0671.069 (0.606, 1.886)0.8170.0511.052 (0.809, 1.370)0.704
 40.0991.104 (0.992, 1.229)0.0700.0691.071 (0.868, 1.322)0.5220.0351.035 (0.913, 1.175)0.589
Medical insurance (yes vs. no)−0.2090.811 (0.707, 0.931)0.0030.2701.310 (0.878, 1.954)0.187−0.1310.877 (0.755, 1.019)0.087
Gestational hypertension (yes vs. no)0.4221.525 (1.049, 2.218)0.0270.8202.270 (1.132, 4.550)0.0210.2321.261 (0.808, 1.970)0.308
Birth weight, 100g−0.0130.987 (0.976, 0.998)0.018−0.0200.980 (0.959, 1.002)0.076−0.0100.990 (0.978, 1.003)0.137
Breastfeeding, ref. 4∼10 months
 0∼30.0251.025 (0.898, 1.170)0.7140.2231.250 (0.995, 1.572)0.0560.0191.020 (0.863, 1.204)0.819
 >100.2711.312 (1.161, 1.481)<0.0010.1571.170 (0.883, 1.551)0.2750.1751.191 (1.038, 1.367)0.013
Father with obesity (yes vs. no)0.0881.092 (0.951, 1.254)0.2110.1671.182 (0.913, 1.531)0.2050.0721.075 (0.911, 1.268)0.394
Mother with obesity (yes vs. no)0.1701.185 (1.007, 1.394)0.0410.0871.091 (0.788, 1.510)0.6020.1851.203 (0.995, 1.454)0.057
Physical activity
Weekday, min/day−0.0550.947 (0.899, 0.998)0.040−0.0270.973 (0.879, 1.078)0.603−0.0370.964 (0.906, 1.025)0.235
Weekend, min/day−0.0230.977 (0.876, 1.091)0.6820.0811.084 (0.879, 1.338)0.450−0.0010.999 (0.877, 1.139)0.993
Total, min/week−0.0960.908 (0.819, 1.008)0.071−0.0230.977 (0.796, 1.200)0.827−0.0580.944 (0.835, 1.067)0.355
Dietary intake
 Pickle, g0.0021.002 (1.001, 1.004)<0.0010.0011.001 (0.997, 1.004)0.9630.0021.002 (1.000, 1.003)0.011

aAdjusted age, gender, and height. The values in bold indicate that the variables have significant correlation with childhood hypertension only in one region, either urban or rural.