Table 1 Characteristics of children and their families

Sex, female

  329 (43)

  247 (46)

  212 (44)

  788 (44)

  0.54

Age (months) ^{a 13}

  17 [10; 33]

  27 [19; 37]

  20 [10; 36]

  21 [12; 36]

  <0.001

Immunization card (availability) ¹²³

  177 (23)

  41 (8)

  210 (43)

  428 (24)

  <0.001

   Complete^b

  166 (22)

  13 (2)

  172 (35)

  351 (20)

  <0.001

   Partial^c

  10 (1)

  7 (1)

  38 (8)

  55 (3)

Moderate or severe malnutrition²³ (yes)

  104 (14)

  68 (13)

  225 (46)

  397 (23)

  <0.001

Reasons for hospitalisation

  <0.001

   Gastro-intestinal infection

  172 (23)

  103 (19)

  108 (22)

  383 (21)

   Respiratory infection

  117 (15)

  42 (8)

  137 (28)

  296 (17)

   Malaria

  91 (12)

  289 (54)

  12 (2)

  392 (22)

   Other infectious syndrome

  253 (33)

  39 (7)

  59 (12)

  351 (20)

   Other

  130 (17)

  62 (12)

  169 (35)

  361 (20)

Place of residence ¹²³ (capital)

  723 (95)

  441 (82)

  127 (26)

  1291 (72)

  <0.001

No of people per household^{a 123}

  6 [4; 8]

  8 [5; 10]

  12 [7; 18]

  7 [5; 10]

  <0.001

Household ≥ 7 people ¹²³

  287 (38)

  329 (62)

  367 (76)

  983 (55)

  <0.001

Mother’s education ¹²³ (higher level^d)

  751 (99)

  489 (92)

  242 (51)

  1482 (84)

  <0.001

Personal transportation ¹³ (Car or motorcycle)

  149 (20)

  48 (9)

  70 (14)

  267 (15)

  <0.001

Electricity (yes) ¹²³

  754 (99)

  227 (42)

  424 (87)

  1405 (79)

  <0.001

Running water (yes) ¹²³

  382 (50)

  62 (12)

  411 (85)

  855 (48)

  <0.001

Flushing toilets inside house ¹²³ (yes)

  327 (43)

  18 (3)

  86 (18)

  431 (24)

  <0.001