Table 1. Demographic and anthropometric characteristics of the study population (n = 453,990).
| Variable | Summary | Class | Male | Female | Overall |
|---|---|---|---|---|---|
| Sex | n (%) | NA | 229,615 (50.58) | 224,375 (49.42) | 453,990 (100.00) |
| Age class (months)* | mean (SD) | NA | 32.29 (15.56) | 32.40 (15.51) | 32.35 (15.53) |
| n (%) | (0,17] | 49,432 (21.53) | 47,671 (21.25) | 97,103 (21.39) | |
| (17,29] | 55,014 (23.96) | 53,438 (23.82) | 108,452 (23.89) | ||
| (29,41] | 52,699 (22.95) | 52,126 (23.23) | 104,825 (23.09) | ||
| (41,53] | 46,036 (20.05) | 45,085 (20.09) | 91,121 (20.07) | ||
| (53,49] | 26,434 (11.51) | 26,055 (11.61) | 52,489 (11.56) | ||
| Weight (kg) | mean (SD) | NA | 11.5 (3.0) | 11.2 (3.0) | 11.3 (3.0) |
| Height (cm) | mean (SD) | NA | 86.1 (11.9) | 85.5 (12.1) | 85.8 (12.0) |
| MUAC (mm) | mean (SD) | NA | 140.85 (13.67) | 140.03 (14.13) | 140.44 (13.91) |
| Wasted by MUAC | n (%) | MUAC < 125 | 25,235 (10.99) | 29,342 (13.08) | 54,577 (12.02) |
| WHZ (z-score) | mean (SD) | NA | -0.68 (1.26) | -0.59 (1.18) | -0.64 (1.22) |
| Wasted by WHZ | n (%) | WHZ < -2 SD | 32,516 (14.16) | 24825 (11.06) | 57,341 (12.63) |
| WAZ (z-score) | mean (SD) | NA | -1.44 (1.23) | -1.29 (1.19) | -1.36 (1.21) |
| Underweight by WAZ | n (%) | WAZ < -2 SD | 69,722 (30.36) | 57,125 (25.46) | 12,6847 (27.94) |
| HAZ (z-score) | mean (SD) | NA | -1.72 (1.63) | -1.50 (1.58) | -1.61 (1.61) |
| Stunted by HAZ | n (%) | HAZ < -2 SD | 98,388 (42.85) | 83,529 (37.23) | 18,1917 (40.07) |
MUAC = mid-upper arm circumference; WHZ = weight-for-height z-score; WAZ = weight-for-age z-score; HAZ = height-for-age z-score; NA = not applicable
* Intervals (ranges) are expressed in ISO 31–11 form.[54] The form (a,b] expresses the interval a < x ≤ b. For example, (17,29] is used to indicate the set {18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29} of ages in months.