Table 1 Baseline characteristics of participants according to the consumption of total seafood in CHNS 1997–2011
Characteristics | Seafood-overweight/obesity analysis | Seafood-abdominal-obesity analysis | |||||
|---|---|---|---|---|---|---|---|
Non-consumer | Low-consumer | High-consumer | Non-consumer | Low-consumer | High-consumer | ||
Seafood intake range (g·2000kcal− 1d− 1) | 0 | 0 ~ 37.4 | > 37.4 | 0 | 0 ~ 38.2 | > 38.2 | |
N | 1047 | 579 | 580 | 1078 | 589 | 589 | |
Age (years) | 10.8 ± 0.1 | 10.9 ± 0.1 | 11.1 ± 0.1 | 11.2 ± 0.1 | 11.1 ± 0.1 | 11.3 ± 0.1 | |
Waist circumference (cm) | 59.7 ± 0.3 | 59.8 ± 0.4 | 60.1 ± 0.3 | 59.5 ± 0.2 | 59.7 ± 0.3 | 60.0 ± 0.3 | |
BMI (kg/m2) | 16.4 ± 0.1 | 16.4 ± 0.1 | 16.7 ± 0.1 | 16.9 ± 0.1 | 17.0 ± 0.1 | 17.3 ± 0.1 | |
Male (%) | 533 (50.9) | 327 (56.5) | 299 (51.6) | 562 (52.1) | 352 (59.8) | 336 (57.1) | |
Han (%) | 846 (80.8) | 511 (88.3) | 550 (94.8) | 874 (81.1) | 512 (86.9) | 557 (94.6) | |
Greater than middle school (%) | 33 (3.2) | 24 (3.9) | 52 (8.9) | 31 (2.9) | 21 (3.4) | 51 (8.7) | |
North site (%) | 229 (21.9) | 112 (19.3) | 96 (16.6) | 227 (21.1) | 117 (19.9) | 96 (16.3) | |
Urban site (%) | 254 (24.3) | 189 (32.6) | 243 (41.9) | 246 (22.8) | 207 (35.1) | 259 (44.0) | |
Household income (yuan/yr) | 19659.1 ± 817.2 | 19753.9 ± 685.7 | 25849.0 ± 1011.2 | 19137.7 ± 774.9 | 19155.5 ± 681.0 | 25962.8 ± 994.1 | |
Urbanization index | 49.5 ± 0.6 | 56.9 ± 0.8 | 62.7 ± 0.8 | 49.2 ± 0.6 | 57.8 ± 0.8 | 63.4 ± 0.8 | |
Moderate-to-vigorous activity (%) | 855 (81.7) | 460 (79.4) | 477 (81.2) | 904 (83.9) | 474 (80.8) | 488 (82.9) | |
Current drinker (%) | 25 (2.4) | 12 (2.1) | 17 (2.9) | 26 (2.4) | 12 (2.0) | 18 (3.1) | |
Current smoker (%) | 11 (1.1) | 8 (1.4) | 8 (1.4) | 10 (0.9) | 7 (1.2) | 8 (1.4) | |
Energy intake (kcal/day) | 1867.5 ± 16.2 | 2079.7 ± 28.1 | 1892.7 ± 19.6 | 1897.0 ± 15.6 | 2105.0 ± 27.9 | 1936.0 ± 20.1 | |
AHEI score | 35.6 ± 0.2 | 34.8 ± 0.2 | 34.1 ± 0.2 | 35.9 ± 0.2 | 34.9 ± 0.2 | 34.1 ± 0.2 | |
Fish intake (g·2000kcal− 1d− 1) | 0.0 ± 0.0 | 19.1 ± 0.4 | 66.0 ± 1.6 | 0.0 ± 0.0 | 19.7 ± 0.4 | 67.1 ± 1.5 | |
Shrimp/crab intake (g·2000kcal− 1d− 1) | 0.0 ± 0.0 | 0.8 ± 0.1 | 6.7 ± 0.9 | 0.0 ± 0.0 | 0.7 ± 0.1 | 6.4 ± 0.9 | |
Shellfish intake (g·2000kcal− 1d− 1) | 0.0 ± 0.0 | 0.3 ± 0.1 | 1.9 ± 0.4 | 0.0 ± 0.0 | 0.3 ± 0.1 | 1.4 ± 0.3 | |
Boiled seafoods intake (g·2000kcal− 1d− 1) | 0.0 ± 0.0 | 10.5 ± 0.5 | 41.1 ± 1.6 | 0.0 ± 0.0 | 11.1 ± 0.5 | 41.0 ± 1.6 | |
Stir-fried seafoods intake (g·2000kcal− 1d− 1) | 0.0 ± 0.0 | 6.4 ± 0.4 | 21.6 ± 1.4 | 0.0 ± 0.0 | 6.7 ± 0.4 | 23.5 ± 1.5 | |