Table 1.
Descriptive characteristics, by hypertension status, of participants aged 40–79 years (n 1326) from Jilin Province, China, enrolled in the International Chronic Disease Cohort, 2010–2011
| Variable | Non-hypertensive (n 863) | Hypertensive (n 463) | t | P | ||
|---|---|---|---|---|---|---|
| Mean | sd | Mean | sd | |||
| Age (years) | 52·9 | 9·7 | 57·5 | 8·8 | 74·722 | <0·001 |
| BMI (kg/m2) | 23·1 | 3·2 | 24·8 | 3·5 | 80·023 | <0·001 |
| WC (cm) | 81·3 | 8·7 | 86·1 | 8·9 | 89·687 | <0·001 |
| FAT (%) | 28·9 | 8·2 | 31·4 | 8·6 | 25·654 | <0·001 |
| GLU (mmol/l) | 4·9 | 1·2 | 5·3 | 1·4 | 15·786 | <0·001 |
| TC:HDL-C | 3·6 | 1·1 | 3·9 | 1·1 | 17·967 | <0·001 |
| LDL-C:HDL-C | 2·3 | 0·9 | 2·5 | 0·9 | 14·086 | <0·001 |
| n | % | n | % | χ 2 | P | |
| Gender | ||||||
| Male | 324 | 37·5 | 178 | 38·4 | 0·104 | 0·396 |
| Female | 539 | 62·5 | 285 | 61·6 | ||
| Education level | ||||||
| Primary school | 225 | 26·1 | 141 | 30·5 | 4·675 | 0·322 |
| Junior high school | 492 | 57·0 | 258 | 55·7 | ||
| Senior high school | 106 | 12·3 | 50 | 10·8 | ||
| Other * | 40 | 4·6 | 14 | 3·0 | ||
| Occupation | ||||||
| Mental labour | 47 | 5·4 | 32 | 6·9 | 4·282 | 0·118 |
| Manual labour | 774 | 89·7 | 398 | 86·0 | ||
| Other† | 42 | 4·9 | 33 | 7·1 | ||
| Smoking | ||||||
| Yes | 76 | 8·8 | 33 | 7·1 | 1·878 | 0·391 |
| No | 517 | 59·9 | 293 | 63·3 | ||
| Abstinence | 270 | 31·3 | 137 | 29·6 | ||
| Family history of hypertension | ||||||
| Yes | 86 | 9·9 | 81 | 17·5 | 15·519 | <0·001 |
| No | 777 | 90·1 | 382 | 82·5 | ||
WC, waist circumference; FAT, body fat percentage; GLU, glucose; TC, total cholesterol; HDL-C, HDL-cholesterol; LDL-C, LDL-cholesterol.
*
Other’ includes illiteracy and college degree or above.
†
Other’ includes unemployed and retired people.