Table 2.
P-values of Statistical tests between the Whole Sample and Analytical Sample C1-C9
| Domain | Variable Description | Whole vs. C1 |
Whole vs. C2 |
Whole vs. C3 |
Whole vs. C4 |
Whole vs. C5 |
Whole vs. C6 |
Whole vs. C7 |
Whole vs. C8 |
Whole vs. C9 |
|---|---|---|---|---|---|---|---|---|---|---|
| Demographic factors | Gender | 0.34 | 0.24 | 0.06 | 0.28 | 0.29 | 0.29 | 0.00 | 0.31 | 0.24 |
| Ethnicity | 0.67 | 0.17 | 0.59 | 0.24 | 0.57 | 0.57 | 0.17 | 0.77 | 0.80 | |
| Birth year | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| War | Born in the Anti-Japan War era | 0.67 | 0.59 | 0.86 | 0.34 | 0.60 | 0.60 | 0.79 | 0.65 | 0.63 |
| Born in the Civil War era | 0.06 | 0.03 | 0.01 | 0.03 | 0.03 | 0.03 | 0.00 | 0.03 | 0.05 | |
| Parents’ health status and health behaviors | Parents’ health condition | 0.06 | 0.08 | 0.04 | 0.08 | 0.05 | 0.05 | 0.10 | 0.03 | 0.04 |
| Father has drinking problem | 0.49 | 0.41 | 0.39 | 0.45 | 0.45 | 0.45 | 0.32 | 0.35 | 0.38 | |
| Mother smokes | 0.04 | 0.02 | 0.02 | 0.02 | 0.04 | 0.04 | 0.03 | 0.06 | 0.05 | |
| Father smokes | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Father’s longevity (non-response) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Father’s longevity (alive) | 0.29 | 0.27 | 0.24 | 0.31 | 0.29 | 0.29 | 0.20 | 0.19 | 0.20 | |
| Father’s longevity (low longevity) | 0.02 | 0.05 | 0.03 | 0.05 | 0.02 | 0.02 | 0.02 | 0.04 | 0.03 | |
| Father’s longevity (high longevity) | 0.02 | 0.02 | 0.00 | 0.01 | 0.01 | 0.01 | 0.00 | 0.02 | 0.03 | |
| Mother’s longevity (non-response) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Mother’s longevity (alive) | 0.29 | 0.35 | 0.12 | 0.33 | 0.25 | 0.25 | 0.11 | 0.27 | 0.37 | |
| Mother’s longevity (low longevity) | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | 0.12 | 0.09 | 0.19 | 0.09 | |
| Mother’s longevity (high longevity) | 0.02 | 0.02 | 0.01 | 0.02 | 0.01 | 0.01 | 0.00 | 0.03 | 0.03 | |
| Health & nutrition conditions in Childhood | Self-reported health status before age 15 | 0.40 | 0.39 | 0.17 | 0.46 | 0.28 | 0.28 | 0.14 | 0.33 | 0.41 |
| Ever experience hunger | 0.87 | 0.92 | 0.95 | 0.99 | 0.90 | 0.90 | 0.86 | 0.84 | 0.99 | |
| Access to health care | Received vaccination before age 15 | 0.06 | 0.02 | 0.01 | 0.02 | 0.02 | 0.02 | 0.00 | 0.04 | 0.09 |
| when ill, first visited general hospital, specialized hospital, or township health clinics? | 0.40 | 0.70 | 0.29 | 0.64 | 0.33 | 0.33 | 0.14 | 0.66 | 0.61 | |
| When ill, first visited community health centers / private clinics? | 0.59 | 0.35 | 0.61 | 0.34 | 0.56 | 0.56 | 0.42 | 0.47 | 0.50 | |
| Regional and urban/rural status | Rural or urban status at birth | 0.37 | 0.01 | 0.70 | 0.02 | 0.39 | 0.39 | 0.74 | 0.06 | 0.07 |
| Eastern China | 0.56 | 0.94 | 0.43 | 0.71 | 0.56 | 0.56 | 0.60 | 0.69 | 0.79 | |
| Central China | 0.36 | 0.93 | 0.30 | 0.93 | 0.34 | 0.34 | 0.51 | 0.41 | 0.47 | |
| Western China | 0.75 | 0.99 | 0.98 | 0.83 | 0.73 | 0.73 | 0.77 | 0.66 | 0.62 | |
| Family socioeconomic status | Parents political status | 0.83 | 0.77 | 0.50 | 0.81 | 0.68 | 0.68 | 0.36 | 0.99 | 0.98 |
| Mother’s education | 0.38 | 0.46 | 0.17 | 0.51 | 0.33 | 0.33 | 0.18 | 0.50 | 0.60 | |
| Father’s education | 0.09 | 0.19 | 0.03 | 0.11 | 0.07 | 0.07 | 0.01 | 0.17 | 0.18 | |
| Family financial status | 0.69 | 0.95 | 0.43 | 0.86 | 0.70 | 0.70 | 0.32 | 0.97 | 0.89 | |
| House type at birth | 0.59 | 0.26 | 0.73 | 0.28 | 0.64 | 0.64 | 0.86 | 0.28 | 0.30 | |
| Relationship with parents | Relationship with parents | 0.93 | 0.62 | 0.74 | 0.63 | 0.96 | 0.96 | 0.90 | 0.97 | 0.95 |
| Father ever hit you | 0.68 | 0.49 | 0.73 | 0.50 | 0.70 | 0.70 | 0.39 | 0.58 | 0.60 | |
| Mother ever hit you | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.00 | 0.02 | 0.01 | |
| Friendship in childhood | Self-rated neighborhood willingness to help | 0.44 | 0.89 | 0.17 | 0.85 | 0.50 | 0.50 | 0.06 | 0.99 | 0.94 |
| Did you have a good friend | 0.75 | 0.78 | 0.54 | 0.88 | 0.74 | 0.74 | 0.26 | 0.83 | 0.79 |
Notes: “Whole” means the whole sample as in Table 1 column 1. The definitions of Sample C1 – C9 are in Appendix Figure 1. The variables highlighted demonstrate significant differences between the whole sample and the analytical sample C1-C9.