Table 3.

Mean change in weight and skinfold thickness during the seasonal intermittent preventive treatment trial in Senegalese preschool children by age category and intervention group

	Weight gain (g/mo)		Triceps skinfold change (mm/mo)		Subscapular skinfold change (mm/mo)
Age group (months)	Intervention (N= 487)	Placebo (N = 496)	Intervention	Placebo	Intervention	Placebo
2–11 (N=172)	169 ± 326	113 ± 350 ns	−0.53 ± 0.96	−0.86 ± 1.09*	−0.41 ± 0.58	−0.57 ± 0.70 ns
12–23 (N =201)	132 ± 345	49 ± 341 ns	−0.35 ± 0.80	−0.52 ± 1.05 ns	−0.17 ± 0.67	−0.33 ± 0.60 ns
24–35 (N =199)	113 ± 303	50 ± 310 ns	−0.17 ± 1.11	−0.65 ± 1.14†	−0.01 ± 0.63	−0.22 ± 0.56†
36–47 (N =199)	85 ± 311	46 ± 358 ns	−0.47 ± 1.18	−0.60 ± 0.90 ns	−0.10 ± 0.69	−0.32 ± 0.57*
48–59 (N=212)	116 ± 408	−30 ± 347†	−0.47 ± 0.91	−0.66 ± 0.86 ns	−0.12 ± 0.55	−0.34 ± 0.57†
P for interaction		0.59		0.63		0.99

Differences between intervention and placebo groups within age categories:

^*P < 0.05,

^†P < 0.01.

NS, not significant.