Table 4. Factors associated with BMI categories based on ordered logistic regression among 380 female undergraduate students in Makerere University.
| Characteristic | BMI categories | Unadjusted OR (CI) | P value | Adjusted OR (CI) | P value | ||
|---|---|---|---|---|---|---|---|
| Normal* | Overweight | Obese | |||||
| Marital status | 0.034 | ||||||
| Single | 20 (52.6) | 15 (39.5) | 3 (7.9) | 1.00 | 1.000 | ||
| Married | 240 (70.2) | 79 (23.1) | 23 (6.7) | 1.95 (1.05 to 3.61) | 0.034 | 1.94 (1.05 to 3.57) | |
| Average amount spent on food daily (Uganda shillings)† | |||||||
| 0.000–5000 | 83 (68.0) | 31 (25.4) | 8 (6.6) | 1.00 | |||
| 5001–7000 | 111 (68.9) | 40 (24.9) | 10 (6.2) | 0.96 (0.58 to 1.58) | 0.865 | ||
| 7001–10 000 | 52 (10.3) | 16 (21.6) | 6 (8.1) | 0.93 (0.49 to 1.74) | 0.818 | ||
| 10 001–15 000 | 13 (59.1) | 7 (31.8) | 2 (9.1) | 1.46 (0.59 to 3.60) | 0.408 | ||
| Year of study | |||||||
| I | 64 (80.0) | 11 (13.8) | 5 (6.2) | 1.00 | 1.00 | ||
| II | 98 (77.8) | 25 (19.8) | 3 (2.4) | 1.08 (0.54 to 2.18) | 0.826 | 1.01 (0.50 to 2.04) | 0.973 |
| III | 65 (55.6) | 43 (36.7) | 9 (7.7) | 2.95 (1.52 to 5.74) | 0.001 | 2.82 (1.46 to 5.47) | 0.002 |
| IV | 33 (57.9) | 15 (26.3) | 9 (15.8) | 3.12 (1.40 to 6.96) | 0.005 | 2.99 (1.36 to 6.55) | 0.006 |
| Knowledge of foods that promote overweight/obesity | |||||||
| Inadequate | 58 (59.2) | 33 (33.7) | 7 (7.1) | 1.00 | 1.00 | ||
| Adequate | 202 (71.6) | 61 (21.6) | 19 (6.8) | 0.61 (0.38 to 0.96) | 0.033 | 0.58 (0.36 to 0.93) | 0.023 |
| Knowledge of practices that promote overweight/obesity | |||||||
| Inadequate | 211 (68.1) | 78 (25.2) | 21 (6.8) | 1.00 | |||
| Adequate | 49 (70.0) | 16 (22.9) | 5 (7.1) | 0.93 (0.53 to 1.63) | 0.788 | ||
| Knowledge of consequences of overweight/obesity | |||||||
| Inadequate | 207 (67.9) | 77 (25.2) | 21 (6.9) | 1.00 | |||
| Adequate | 53 (70.7) | 17 (22.6) | 5 (6.7) | 0.88 (0.51 to 1.53) | 0.661 | ||
Interactions that were assessed with p values for likelihood ratio tests included: marital status × knowledge of foods that promote overweight/obesity (p=0.586), marital status × year of study (p=0.443), and knowledge of foods that promote overweight/obesity × year of study (p=0.264).
*
Comprised of normal BMI combined with underweight.
†
Approximately 3500 Uganda shillings=US$1.
BMI, Body Mass Index.