Table 2.
Levels and trends in the prevalence of underweight by various sociodemographic variables, Botswana STEPS surveys 2007 and 2014
| Variables | 2007 STEPS survey | 2014 STEPS survey | 2017 Botswana Demographic Survey | |||
| Weighted n | % (95% CI) | Weighted n | % (95% CI) | Weighted n | % (95% CI) | |
| Sex | ||||||
| Male | 9280 | 25.9 (16.1 to 38.9) | 34 936 | 15.2 (12.2 to 18.8) | 43 621 | 11.9 (10.9 to 12.9) |
| Female | 4261 | 10.9 (7.9 to 14.8) | 16 799 | 7.7 (5.8 to 10.1) | 24 485 | 5.2 (4.8 to 5.7) |
| Age | ||||||
| 25–34 | 5797 | 20.0 (12.7 to 30.2) | 27 645 | 13.6 (10.6 to 17.3) | 27 541 | 8.6 (7.6 to 9.7) |
| 35–44 | 3431 | 18.0 (9.7 to 30.9) | 8913 | 7.4 (5.0 to 10.9) | 18 405 | 7.2 (6.3 to 8.2) |
| 45–54 | 2749 | 16.4 (12.6 to 21.1) | 7726 | 10.7 (6.3 to 17.6) | 13 169 | 8.4 (7.7 to 9.3) |
| 55–64 | 1564 | 15.3 (7.3 to 29.3) | 7448 | 14.3 (9.2 to 21.5) | 8991 | 8.6 (7.6 to 9.6) |
| Missing values | – | – | 3 | – | – | – |
| Citizenship | ||||||
| Motswana | 12 991 | 18.2 (12.1 to 26.5) | 50 580 | 11.9 (9.8 to 14.3) | 66 516 | 8.5 (7.8 to 9.1) |
| Others | 550 | 15.2 (9.5 to 23.5) | 1155 | 5.4 (1.4 to 18.5) | 1590 | 3.2 (2.4 to 4.3) |
| Work status | ||||||
| Working | 4169 | 14.2 (9.5 to 20.6) | 21 688 | 9.7 (7.4 to 12.8) | 33 866 | 7.2 (6.7 to 7.6) |
| Not working | 8379 | 20.6 (14.1 to 29.2) | 30 047 | 13.4 (10.4 to 17.0) | 33 120 | 9.4 (8.3 to 10.6) |
| Missing values | 993 | – | – | – | 1120 | – |
| Total (N) | 13 541 | 18.1 (12.0 to 26.3) | 51 735 | 11.6 (9.5 to 13.9) | 68 106 | 8.1 (7.5 to 8.8) |
| Age adjusted | 18.2 (12.1 to 26.2) | 11.5 (9.4 to 13.8) | 8.2 (7.6 to 8.9) | |||
The bolded figures show percentages and total sample size under each survey