Table 1.
Selected lifestyle, sociodemographic, anthropometric and biochemical characteristics of lactating Inuit women: International Polar Year Inuit Health Survey, 2007–2008
| Characteristic | n | Median or Mean | IQR or sd | % |
|---|---|---|---|---|
| Age (years), median and IQR | 34 | 26·5 | 23·0–29·7 | – |
| Supplement intake (% yes) | 3 | – | – | 8·8 |
| Smoker (% yes) | 24 | – | – | 70·4 |
| Weight (kg), mean and sd | 34 | 63·8 | 12·6 | – |
| Height (cm), mean and sd | 34 | 157·6 | 5·7 | – |
| BMI (kg/m2), mean and sd | 34 | 25·6 | 4·3 | – |
| Waist circumference (cm), mean and sd | 34 | 87·8 | 13·8 | – |
| Body fat (%), mean and sd | 34 | 30·0 | 8·2 | – |
| Crowded household (% yes)* | 8 | – | – | 23·5 |
| Hours spent in the sun (h/d), median and IQR | 34 | 4 | 3–4 | – |
| Serum 25(OH)D (nmol/l), median and IQR | 34 | 39·1 | 25·5–50·0 | – |
IQR, interquartile range; 25(OH)D, 25-hydroxyvitamin D.
*
More than one person per room, where rooms included bedrooms, kitchen and living room, was used for household crowding(18).