Table 1.
Socio-demographic characteristics of the population by children's weight perception.
| Characteristics | Total (100%) | Self-perception of weight status (n = 3752) |
Pa | ||
|---|---|---|---|---|---|
| Underweight (34.3%) | Normal weight (45.5%) | Overweight (20.1%) | |||
| Age, years | 8.50 (1.17) | 8.37 (1.18) | 8.48 (1.17) | 8.77 (1.12) | 0.000 |
| Gender | 0.000 | ||||
| Boys | 1891 (50.4) | 656 (50.9) | 775 (45.4) | 460 (60.8) | |
| Girls | 1861 (49.6) | 632 (49.1) | 933 (54.6) | 296 (39.2) | |
| Number of siblings | 0.628 | ||||
| 0 | 2784 (76.3) | 955 (75.9) | 1275 (76.7) | 554 (76.0) | |
| 1 | 737 (20.2) | 260 (20.7) | 323 (19.4) | 154 (21.1) | |
| ≥2 | 129 (3.5) | 43 (3.4) | 65 (3.9) | 21 (2.9) | |
| Paternal educational level | 0.299 | ||||
| Junior high school or below | 370 (10.1) | 124 (9.8) | 159 (9.5) | 87 (11.9) | |
| Senior high school | 895 (24.4) | 314 (24.9) | 392 (23.5) | 189 (25.7) | |
| Junior college | 835 (22.8) | 298 (23.7) | 376 (22.5) | 161 (21.9) | |
| College or above | 1563 (42.7) | 524 (41.6) | 742 (44.5) | 297 (40.5) | |
| Maternal educational level | 0.068 | ||||
| Junior high school or below | 459 (12.6) | 156 (12.4) | 188 (11.3) | 115 (15.6) | |
| Senior high school | 920 (25.2) | 306 (24.4) | 425 (25.5) | 189 (25.7) | |
| Junior college | 927 (25.4) | 329 (26.6) | 414 (24.9) | 184 (25.0) | |
| College or above | 1347 (36.9) | 463 (36.9) | 637 (38.3) | 247 (33.6) | |
| Paternal occupation | 0.312 | ||||
| Commerce and services | 1355 (37.6) | 437 (35.2) | 636 (38.8) | 282 (39.2) | |
| Professionals and technicians | 750 (20.8) | 264 (21.3) | 350 (21.3) | 136 (18.9) | |
| Administrators and clerks | 740 (20.6) | 263 (21.2) | 328 (20.0) | 149 (20.7) | |
| Other | 755 (21.0) | 277 (22.3) | 326 (19.9) | 152 (21.1) | |
| Maternal occupation | 0.243 | ||||
| Commerce and services | 1332 (37.0) | 445 (35.9) | 606 (37.0) | 281 (38.7) | |
| Professionals and technicians | 840 (23.3) | 296 (23.9) | 395 (24.1) | 149 (20.5) | |
| Administrators and clerks | 444 (12.3) | 140 (11.3) | 208 (12.7) | 96 (13.2) | |
| Housewives | 432 (12.0) | 146 (11.8) | 199 (12.2) | 87 (12.0) | |
| Other | 554 (15.4) | 212 (17.1) | 229 (14.0) | 113 (15.6) | |
| Monthly household income | 0.587b | ||||
| <8000 RMB | 839 (23.1) | 280 (22.5) | 383 (23.1) | 176 (24.3) | |
| 8000–14,999 RMB | 769 (21.2) | 261 (21.0) | 346 (20.9) | 162 (22.4) | |
| ≥15,000 RMB | 686 (18.9) | 253 (20.4) | 312 (18.8) | 121 (16.7) | |
| Refuse to disclose | 1331 (36.7) | 449 (36.1) | 617 (37.2) | 265 (36.6) | |
Continuous variables are presented as mean (standard deviation), whereas categorical variables are presented as number (percentage).
a
Differences of continuous variables and categorical variables between different perceptions were evaluated using one-way ANOVA or Pearson Chi-Square tests, respectively.
b
When those who refused to disclose were excluded from the analysis, the P value was 0.369.