Table 1.
Characteristics of the China Health and Nutrition Survey subjects, median (inter-quartile range) or percentage.
| Characteristics | Long-Term | Short-Term | ||||
|---|---|---|---|---|---|---|
| Low Consumers (<50 g/day) | Mid Consumers (50–100 g/day) | High Consumers (>100 g/day) | Low Consumers (<76 g/day) | Mid Consumers (76–136 g/day) | High Consumers (>136 g/day) | |
| N | 158 | 178 | 164 | 167 | 167 | 166 |
| Age (years) | 53 (47–60) | 51 (43–59) | 53 (45–60) | 53 (46–60) | 50 (43–59) | 53 (47–59) |
| Male (%) | 29.7 | 41.6 | 50.6 | 31.7 | 38.9 | 68.7 |
| Rural (%) | 70.9 | 71.3 | 58.5 | 66.5 | 65.9 | 51.8 |
| BMI (kg/m2) a | 23.40 (21.41–26.23) | 24.37 (21.70–26.35) | 23.83 (21.85–26.03) | 23.38 (21.64–26.13) | 24.30 (22.23–26.49) | 23.75 (21.30–25.87) |
| Energy intake b (kilocalories/day) | 1625.50 (1348.99–2009.57) | 1,974.50 c (1469.83–2315.49) | 2052.50 c (1619.00–2496.06) | 1559.72 (1223.70–2013.81) | 1938.71 c (1507.41–2249.08) | 2166.16 c (1768.74–2599.90) |
| Completed high school education (%) | 19.6 | 34.3 | 36.0 | 25.7 | 32.3 | 23.5 |
| Smoker (%) | 15.2 | 24.7 | 37.2 | 21.6 | 23.9 | 33.7 |
| Alcohol consumer (%) | 20.3 | 20.8 | 35.4 | 19.2 | 21.5 | 36.8 |
a. We calculated BMI as weight in kilograms divided by height in meters squared. b. We calculated total energy intake per day based on three-day food diaries. c. p < 0.05 in the Wilcoxon rank-sum test compared to Low consumers.