Table 1.
Basic characteristics of study population according to Chinese famine exposure
| Variables | Non-exposed cohort 10/1/1962-9/30/1964 (n = 572) |
Fetal-exposed cohort 10/1/1959-9/30/1961 (n = 599) |
Infant-exposed cohort 1/1/1958-12/31/1958 (n = 338) |
Preschool-exposed cohort 1/1/1956-12/31/1957 (n = 457) |
|---|---|---|---|---|
| Gender n (%) | ||||
| Male | 275(48.1) | 282(47.2) | 176(52.1) | 236(51.6) |
| Female | 297(51.9) | 316(52.8) | 162(47.9) | 221(48.4) |
| Severity n (%) | ||||
| Severely | 299(52.3) | 317(52.9) | 174(51.5) | 250(54.7) |
| Less severely | 273(47.7) | 282(47.1) | 164(48.5) | 207(45.3) |
| Smoking n (%)b | ||||
| YES | 214(37.4) | 223(37.3) | 143(42.4) | 212(46.4) |
| NO | 358(62.6) | 375(62.7) | 194(57.6) | 245(53.6) |
| Drinking | ||||
| YES | 86(15.0) | 100(16.7) | 57(16.9) | 81(17.7) |
| NO | 486(85.0) | 499(83.3) | 281(83.1) | 376(82.3) |
| Age mean(SD) yearsb | 46.78(0.41) | 50.41(0.62)d | 52.54(0.50)d | 54.30(0.70)d |
| BMI mean(SD) kg/m2a | 24.75(3.85) | 24.61(4.14) | 24.00(3.46)c | 23.78(3.65)d |
| SBP mean(SD) mmHgb,e | 125.19(17.36) | 127.90(20.18) | 131.45(19.41)d, f | 129.01(20.00)c, f |
| DBP mean(SD) mmHg | 77.86(12.81) | 77.95(12.70) | 79.06(12.89) | 77.47(12.55) |
aMean values were significantly different among four birth cohorts (AVONA or χ 2 trend test; P < 0.01)
bMean values were significantly different among four birth cohorts (AVONA or χ 2 trend test; P < 0.001)
cMean values were significantly different between exposed cohorts and non-exposed cohort (Dunnet-t test, P < 0.05)
dMean values were significantly different between exposed cohorts and non-exposed cohort (Dunnet-t test, P < 0.01)
eMean values were significantly different by ANCOVA with BP as a dependent variable and age + BMI as covariates among four birth cohorts (P < 0.05)
fMean values were significantly different by ANCOVA with BP as a dependent variable and age + BMI as covariates between exposed cohorts and non-exposed cohort (P < 0.05)