Table 3.
Distribution of sociodemographic characteristics and BMI (WHO criteria) according to nutritional status category (MNA®) among nursing home residents aged 65 years or over (n 1186) in Portugal, October 2015–April 2016
| Normal nutritional status | At risk of malnutrition | Malnourished | |||||
|---|---|---|---|---|---|---|---|
| % | 95 % CI | % | 95 % CI | % | 95 % CI | P † | |
| Sex | |||||||
| Women | 51·2 | 45·3, 57·0 | 43·6 | 38·1, 49·2 | 5·3 | 3·3, 8·3 | <0·001 |
| Men | 68·7 | 60·5, 75·8 | 27·5 | 20·6, 35·6 | 3·9 | 1·9, 7·5 | |
| Total | 56·5 | 50·8, 62·0 | 38·7 | 33·5, 44·2 | 4·8 | 3·2, 7·3 | |
| Age (years) | |||||||
| <75 | 68·9 | 54·5, 80·3 | 27·3 | 16·9, 41·1 | 3·8 | 1·1, 12·0 | 0·026 |
| 75–84 | 60·6 | 52·0, 68·6 | 33·5 | 26·3, 41·5 | 5·9 | 3·3, 10·2 | |
| ≥85 | 51·6 | 46·1, 57·1 | 44·1 | 38·5, 49·9 | 4·3 | 2·3, 7·6 | |
| Total | 56·5 | 50·8, 62·0 | 38·7 | 33·5, 44·2 | 4·8 | 3·2, 7·3 | |
| Education (years) | |||||||
| <5 | 55·0 | 48·6, 61·2 | 39·9 | 34·1, 45·9 | 5·1 | 3·3, 7·9 | 0·222 |
| 5–9 | 70·3 | 57·1, 80·8 | 27·0 | 17·6, 39·0 | 2·7 | 0·4, 17·3 | |
| >9 | 63·9 | 50·3, 75·6 | 33·8 | 22·2, 47·7 | 2·3 | 0·3, 14·4 | |
| Total | 56·5 | 50·8, 62·0 | 38·7 | 33·5, 44·2 | 4·8 | 3·2, 7·3 | |
| BMI (kg/m2) | |||||||
| <18·5 | 12·9 | 3·4, 38·1 | 48·0 | 23·2, 73·9 | 39·0 | 13·4, 72·6 | <0·001 |
| 18·5–24·9 | 43·4 | 34·2, 53·2 | 52·9 | 44·0, 61·7 | 3·6 | 1·3, 9·9 | |
| 25·0–29·9 | 71·1 | 63·8, 77·4 | 27·6 | 21·4, 34·7 | 1·4 | 0·4, 4·5 | |
| ≥30·0 | 68·0 | 61·0, 74·3 | 31·7 | 25·5, 38·6 | 0·3 | 0·0, 2·4 | |
MNA®, Mini Nutritional Assessment.
†
Second-order Rao–Scott adjusted χ2 statistic to compare between MNA® categories. Significance based on adjusted F and degrees of freedom (complex sample analysis).