Table 2.
Mean body mass index, percent body fat and waist circumference of women (n = 365) by selected socio-demographic characteristics
| Mean BMI (SD) | Mean% body fat (SD) | Mean WC (SD) | |
|---|---|---|---|
| Mean |
27.9 (5.3) |
39.5 (7.6) |
86.9 (13.5) |
|
Age (years) |
P <0.001c |
P <0.001 c |
P <0.001 c |
| 25-29 |
25.6 (5.0) |
35.7 (6.6) |
80.7 (11.2 |
| 30-34 |
28.1 (4.4) |
39.3 (6.3) |
86.0 (11.0) |
| 35-39 |
28.7 (4.6) |
40.8 (6.7) |
87.7 (8.7) |
| 40-44 |
28.9 (5.5) |
41.7 (7.5) |
90.1 (9.1) |
| 45-49 |
28.8 (6.5) |
41.2 (7.8) |
90.9 (18.4) |
| 50-54 |
31.8 (4.7) |
46.6 (7.8) |
99.5 (14.6) |
|
Socio-economic group |
P = 0.005b |
P = 0.021a |
P = 0.083 |
| Lower |
26.4 (5.2) |
37.6 (6.8) |
86.1 (12.2) |
| Upper-lower |
27.6 (4.8) |
39.2(7.9) |
85.9 (12.2) |
| Middle |
27.7 (4.9) |
39.3(7.8) |
84.5 (11.8) |
| Lower-upper |
29.5 (%.3) |
41.1(7.1) |
90.3 (14.7) |
| Upper |
29.1 (6.3) |
42.1 (8.3) |
88.8 (17.7) |
|
Marital status |
P = 0.01a |
P = 0.06 |
P <0.001 c |
| Single |
26.1 (4.8) |
37.8 (8.0) |
82.4 (11.9) |
| Married |
28.3 (5.4) |
39.9 (7.1) |
87.6 (13.2) |
| Divorced/separated |
30.1 (4.8) |
42.5 (8.9) |
93.0 (16.2) |
| Widowed |
29.5 (4.7) |
41.1 (8.5) |
93.0 (14.3) |
|
Parity |
P <0.001 c |
P <0.001 c |
P <0.001 c |
| 0-1 child |
26.4 (5.0) |
37.6 (7.3) |
82.5 (12.8) |
| 2-3children |
28.1 (4.6) |
39.8 (6.6) |
86.5 (11.5) |
| > = 4 children |
30.0 (5.8) |
42.1 (8.8) |
94.3 (14.2) |
|
Education level |
P = 0.744 |
P = 0.764 |
P = 0.123 |
| None |
27.7 (5.3) |
40.1 (8.9) |
89.1 (15.2) |
| Primary |
28.4 (5.4) |
39.9 (7.3) |
89.0 (13.1) |
| Secondary |
27.6 (6.4) |
38.7 (8.8) |
85.8 (14.9) |
| >Secondary |
27.8 (4.7) |
39.5 (6.9) |
85.3 (12.4) |
|
Occupation |
P = 0.366 |
P = 0.471 |
P = 0.314 |
| Casual worker |
26.9 (6.3) |
37.4 (7.9) |
86.6 (15.7) |
| Self employed |
28.7 (5.3) |
40.3 (7.5) |
89.2 (13.5) |
| Formal sector |
27.7 (4.8) |
39.4 (6.9) |
85.5 (12.3) |
| Housewife |
27.6 (5.5) |
39.7 (8.4) |
86.1 (13.7) |
| Other |
26.9(6.0) |
38.0 (10.1) |
86.0 (17.3) |
|
Number rooms |
P <0.001 c |
P <.0.001 c |
P <0.001 c |
| 1-2 |
26.8 (5.4) |
37.6 (7.0) |
84.9 (12.4) |
| 3-4 |
27.8 (4.6) |
40.0 (7.0) |
85.4 (11.5) |
| 5-6 |
30.3 (5.4) |
42.7 (7.6) |
92.6 (15.4) |
| > = 7 |
28.9 (5.2) |
40.9 (8.5) |
90.7 (16.2) |
|
Expenditure (Ksh) |
P <0.001 c |
P <0.001 c |
P = 0.014a |
| <10 000 |
26.2 (5.1) |
37.2 (7.7) |
83.8 (12.7) |
| 10 001–20 000 |
28.1 (5.3) |
39.8 (7.2) |
86.8 (12.5) |
| 20 001–30 000 |
28.9 (4.8) |
41.4 (7.5) |
88.8 (12.4) |
| 30 001–40 000 |
29.4 (5.6) |
40.4 (8.1) |
91.7 (16.7) |
| > = 40 000 | 29.7 (4.9) | 42.3 (6.7) | 89.4 (14.7) |
BMI = body mass index; WC = waist circumference; SD = standard deviation; Ksh = Kenyan shillings.
a Significant differences at p <0.05; b Significant differences at p <0.01; c Significant differences at p <0.001.