Table 2.
Characteristics of the studied sample according to respiratory condition.
| Variables | RRTIs n = 150 (%) |
RTI n = 300 (%) |
Control n = 100 (%) |
P * | P † | P ‡ |
|---|---|---|---|---|---|---|
| Age (years) | ||||||
| Preschool (2–<6) | 76 (50.7) | 179 (59.7) | 61 (61.0) | 0.086 | 0.121 | 0.906 |
| School (6–12) | 74 (49.3) | 121 (40.3) | 39 (39.0) | |||
| Gender | ||||||
| Male | 90 (60.0) | 177 (59.0) | 55 (55.0) | 0.919 | 0.436 | 0.485 |
| Female | 60 (40.0) | 123 (41.0) | 45 (45.0) | |||
| Nutritional status | ||||||
| Underweight | 25 (16.7) | 21 (7.0) | 3 (3.0) | 0.003§ | 0.001§ | 0.222 |
| Normal | 96 (64.0) | 234 (78.0) | 80 (80.0) | 0.002§ | 0.007§ | 0.779 |
| Overweight/obese | 29 (19.3) | 45 (15.0) | 17 (17.0) | 0.281 | 0.739 | 0.634 |
| Respiratory illness | ||||||
| Cold | 28 (18.7) | 128 (42.7) | – | <0.001§ | – | – |
| Pharyngitis | 44 (29.3) | 97 (32.3) | – | 0.590 | – | – |
| Otitis media | 41 (27.3) | 56 (18.7) | – | 0.039§ | – | – |
| Sinusitis | 30 (20.0) | 18 (6.0) | – | <0.001§ | – | – |
| Pneumonia | 7 (4.7) | 1 (0.3) | – | 0.002§ | – | – |
| Vitamin A levels | ||||||
| Normal | 132 (88.0) | 295 (98.3) | 99 (99.0) | <0.001§ | 0.001§ | 1.000 |
| Subclinical deficiency | 12 (8.0) | 4 (1.3) | 1 (1.0) | 0.001§ | 0.017§ | 1.000 |
| Deficiency | 6 (4.0) | 1 (0.3) | 0 (0.0) | 0.006§ | 0.043§ | 1.000 |
*
Difference between RRTIs and RTI groups.
†
Difference between RRTIs and control groups.
‡
Difference between RTI and control groups.
§
Significant.