Table 1.
Characteristics of the study population in the PATH-CC study (n = 971).
| Variable | Range |
Non-overweight
(n = 856) |
Overweight and obese
(n = 115) |
|---|---|---|---|
| Sex | Male | 459 (53.6%) | 79 (68.7%) |
| Female | 397 (46.4%) | 36 (31.3%) | |
| Age | 3–6 (years) | 4.7 ± 1.1 | 5.6 ± 0.7 |
| Body mass index | 11.9–25.7 | 15.1 ± 1.1 | 19.0 (17.7; 20.1) |
| Ethnicity | Han nationality | 805 (94.0%) | 107 (93.0%) |
| Other nationalities | 51 (6.0%) | 8 (7.0%) | |
| Socioeconomic status* | Low | 218 (25.5%) | 47 (40.9%) |
| Middle | 271 (31.7%) | 38 (33.0%) | |
| High | 367 (42.9%) | 30 (26.1%) | |
| Outdoor play | 0–2.5 (h/day) | 0.4 (0.3; 0.8) | 0.5 (0.2; 0.8) |
| Sleep duration | 7–11.6 (h/day) | 9.5 ± 0.6 | 9.3 ± 0.7 |
| Sedentary screen time | 0–8 (h/day) | 1.0 (0.5; 1.7) | 1.3 (0.7; 2.1) |
| Non-screen-based sedentary time | 0–8.4 (h/day) | 1.0 (0.6; 1.5) | 1.1 (0.6; 1.6) |
*
Childhood socioeconomic status was categorized into low SES (< RMB 30,000/person/year), middle SES (RMB 30,000–50,000/person/year), and high SES (>RMB 50,000/person/year) based on household income.