Table 1.
Characteristics of survey participants, the Lithgow population and the Australian adult population
| Variable | Lithgow sample (n 412) | Lithgow population (n 15 112) | Australian population (n 16 655 081) |
|---|---|---|---|
| Age (years), mean | 58 | 51 | 47 |
| 95 % CI | 54, 57 | ||
| Female (%) | 55·6 | 49·5 | 49·2 |
| Height (cm), mean | 167 | 168 | 169 |
| 95 % CI | 166, 168 | 168, 169 | 168, 170 |
| Weight (kg), mean | 82·5 | 83·5 | 83·5 |
| 95 % CI | 80·7, 84·2 | 81·6, 85·4 | 81·3, 85·7 |
| BMI (kg/m2), mean | 29·5 | 29·3 | 29·2 |
| 95 % CI | 28·9, 30·0 | 28·8, 29·9 | 28·5, 29·9 |
| BMI classification (%) | |||
| Underweight | 0·5 | 0·5 | 0·6 |
| Normal | 21·6 | 22·0 | 22·8 |
| Overweight | 38·3 | 38·2 | 37·6 |
| Obese | 39·6 | 39·3 | 38·9 |
| Education (%) | |||
| Secondary or below | 62·9 | 63·3 | 63·5 |
| Tertiary | 26·7 | 27·1 | 27·4 |
| Postgraduate | 10·4 | 9·6 | 9·2 |
| Self-rated health status (%) | |||
| Poor | 22·1 | 23·8 | 24·5 |
| Good | 28·2 | 27·0 | 26·4 |
| Excellent | 49·8 | 49·3 | 49·1 |
| Current smoker* (%) | 11·9 | 13·8 | 15·7 |
| Ever smoked† (%) | 44·7 | 44·5 | 44·7 |
| Time since last alcoholic drink (%) | |||
| ≤1 week | 56·6 | 56·5 | 56·5 |
| >1 week | 43·4 | 43·5 | 43·5 |
Mean age and sex of the Lithgow population and the Australian population are derived from census data; other estimates for Lithgow and Australia are based upon weighting of sample data to the age and sex structure of Lithgow population and the Australian population aged ≥20 years.
*
>1 cigarette/d.
†
Ever smoked >1 cigarette/d.