Table 2. Summary of questionnaire results from the schoolchildren in Kenya and Tanzania.

	Kenya, N = 163	Tanzania, N = 327	P-value *
	n (%, 95% CI)	n (%, 95% CI)
Walking to school (compared to biking)	162 (99.4, 98.2–100)	314 (96.9, 94.9–98.9)	0.08
Short distance to school (compared to far) a	85 (52.1, 44.5–59.7)	182 (55.7, 50.2–61.2)	0.46
Health-related information from teacher b	150 (92.0, 87.9–96.1)	179 (54.7, 49.2–60.2)	<0.0005
Know where to wash hands after toilet visit	79 (48.5, 40.9–56.1)	227 (69.4, 64.3–74.5)	<0.0005
Put on shoes to go to school	136 (83.4, 77.7–89.1)	318 (97.2, 95.4–99.0)	<0.0005
Had breakfast	99 (60.7, 53.3–68.1)	203 (62.1, 56.8–67.4)	0.77
Content of breakfast (more than one answer possible)
Grain	93 (93.9, 89.2–98.6)	190 (93.6, 90.3–96.9)	0.91
Animal protein	0 (0.0)	71 (35.0, 28.3–41.7)	<0.0005
Type of animal protein: fish; chicken; beef (%)	(0; 0; 0)	(85.9; 1.4; 12.7)
Vegetable	17 (17.2, 9.8–24.6)	26 (12.8, 8.1–17.5)	0.31
Had lunch c	157 (96.9, 94.2–99.6)	323 (98.8, 97.6–100)	0.15
Content of lunch (more than one answer possible)
Grain	150 (96.2, 93.3–99.1)	286 (88.5, 85.0–92.0)	0.006
Animal protein	68 (43.6, 35.8–51.4)	223 (69.0, 63.9–74.1)	<0.0005
Type of animal protein: fish; chicken; beef (%)	(86.8; 5.9; 4.4)	(90.1; 1.3; 8.5)
Vegetable	51 (32.7, 25.3–40.1)	98 (30.3, 25.2–35.4)	0.60
Had dinner	163 (100)	326 (99.7, 99.1–100)	0.48
Content of dinner (more than one answer possible)
Grain	159 (97.5, 95.1–99.9)	321 (98.5, 97.1–99.9)	0.48
Animal protein	87 (53.4, 45.8–61.0)	219 (67.2, 62.1–72.3)	0.003
Type of animal protein: fish; chicken; beef (%)	(82.8; 9.2; 8.0)	(89.0; 0.9; 8.7)
Vegetable	72 (44.2, 36.6–51.8)	99 (30.4, 25.3–35.5)	0.003

* Pearson chi-square test

^a The distance was only defined as short or far and not in any absolute measure of length

^b Health information received in school compared to receiving the information from parents

^c Lunch was not given in schools in neither Kenya nor Tanzania