Table I.
Characteristics of 1187 Chinese participants aged 18-39 years.
| Male | Female | |||||
|---|---|---|---|---|---|---|
| Any Sensitization (n=367) | Control (n=286) | p value | Any Sensitization (n=196) | Control (n=338) | p value | |
| Mean (SD) | ||||||
| Age (years) | 25.8 (7.1) | 26.5 (7.2) | 0.238 | 27.7 (7.7) | 27.3 (7.6) | 0.674 |
| Weight (kg) | 57.7 (8.6) | 56.3 (7.6) | 0.053 | 50.4 (6.6) | 49.9 (6.0) | 0.365 |
| Height (cm) | 164.3 (5.7) | 163.2 (5.7) | 0.022 | 152.5 (5.3) | 152.7 (5.2) | 0.671 |
| BMI (kg/m2) | 21.3 (2.9) | 21.1 (2.6) | 0.385 | 21.7 (2.5) | 21.4 (2.4) | 0.246 |
| Waist circumference (cm) | 73.0 (8.6) | 72.0 (7.9) | 0.190 | 70.7 (7.5) | 70.3 (6.5) | 0.624 |
| FMI | 3.2 (2.1) | 2.9 (1.9) | 0.086 | 6.4 (1.9) | 6.2 (1.8) | 0.329 |
| LMI | 17.4 (1.4) | 17.5 (1.3) | 0.552 | 14.5 (1.1) | 14.4 (1.3) | 0.317 |
| Total fat (kg) | 8.8 (5.7) | 7.8 (5.1) | 0.044 | 14.9 (4.6) | 14.5 (4.1) | 0.355 |
| %BF | 14.4 (7.1) | 13.2 (6.9) | 0.049 | 29.0 (5.7) | 28.7 (5.6) | 0.483 |
| Trunk fat (kg) | 4.8 (3.5) | 4.3 (3.2) | 0.090 | 7.7 (2.8) | 7.4 (2.5) | 0.402 |
| %TF | 52.9 (5.9) | 53.1 (5.9) | 0.603 | 50.7 (4.3) | 50.6 (4.5) | 0.750 |
| HDL (mg/dL) | 65.1 (19.9) | 67.0 (19.1) | 0.291 | 66.5 (20.0) | 69.4 (20.2) | 0.149 |
| LDL (mg/dL) | 71.9 (24.4) | 66.8 (24.2) | 0.016 | 70.6 (25.1) | 69.8 (25.7) | 0.737 |
| TG (mg/dL) | 92.3 (66.2) | 92.6 (61.9) | 0.960 | 77.6 (35.9) | 76.8 (42.3) | 0.831 |
| n (%) | ||||||
| Age | ||||||
| 18-24 | 214(58.3) | 154(53.8) | 91(46.4) | 169(50.0) | ||
| 25-30 | 36(9.8) | 28(9.8) | 9(4.6) | 24(7.1) | ||
| 30-35 | 54(14.7) | 46(16.1) | 46(23.5) | 65(19.2) | ||
| 35-39 | 63(17.2) | 58(20.3) | 0.658 | 50(25.5) | 80(23.7) | 0.418 |
| Education | ||||||
| Primary school & lower | 67(18.5) | 54(19.1) | 93(47.7) | 132(39.1) | ||
| Junior middle school | 159(43.9) | 157(55.5) | 68(34.9) | 142(42.0) | ||
| High school | 136(37.6) | 72(25.4) | 0.003 | 34(17.4) | 64(18.9) | 0.140 |
| Occupation | ||||||
| Farmer | 27(7.5) | 20(7.1) | 50(25.5) | 73(21.6) | ||
| Others | 335(92.5) | 263(92.9) | 0.970 | 146(74.5) | 265(78.4) | 0.353 |
| Pet in household, yes | 173(47.9) | 121(42.8) | 0.220 | 87(44.4) | 151(44.7) | 1.000 |
| Farm animal, yes | 255(71.8) | 201(73.1) | 0.794 | 143(73.3) | 232(69.3) | 0.370 |
| Mice in house | ||||||
| No | 142(39.2) | 110(38.9) | 65(33.2) | 121(35.8) | ||
| Yes, occasionally | 147(40.6) | 113(39.9) | 87(44.4) | 154(45.6) | ||
| Yes, some or many | 73(20.2) | 60(21.2) | 0.948 | 44(22.4) | 63(18.6) | 0.553 |
| Cockroach in house | ||||||
| No | 214(59.1) | 195(69.1) | 120(61.5) | 187(55.5) | ||
| yes, occasionally | 115(31.8) | 71(25.2) | 58(29.7) | 123(36.5) | ||
| Yes, some or many | 33(9.1) | 16(5.7) | 0.025 | 17(8.7) | 27(8.0) | 0.284 |
| Passive smoking, yes | 212(59.7) | 168(59.8) | 1.000 | 130(67.7) | 226(67.9) | 1.000 |
| Current smoking, yes | 152(42.0) | 129(45.6) | 0.405 | 3(1.5) | 3(0.9) | 0.805 |
Chi-square test for categorical variables; linear regression model was used to test differences of each continuous variable means between the sensitization and the non-sensitization group within gender.