Table 4 Distribution of the overall age-for-grade trajectories of children with three or more repeated school assessments according to sociodemographic characteristics of the study sample (n = 952).

From: Effects of exclusive breastfeeding on educational attainment and longitudinal trajectories of grade progression among children in a 13-year follow-up study in Malawi

 

Categories

Age-for-grade trajectories

Trajectory 1

Trajectory 2

Trajectory 3

Trajectory 4

Falling behind from early grades

Falling behind from middle grades

Falling behind from terminal grades

Consistently on time for grade

n (%)

n (%)

n (%)

n (%)

Overall

Age-for-grade trajectories

193 (20.3)

273 (28.7)

256 (26.9)

230 (24.1)

Duration of exclusive breastfeeding

0–2 months

44 (23.6)

46 (17.5)

40 (16.0)

36 (16.2)

3–5 months

89 (48.1)

119 (44.8)

119 (48.0)

97 (43.6)

6 months

53 (28.3)

100 (37.7)

89 (36.0)

89 (40.1)

Sex of child

Female

65 (33.5)

113 (41.4)

142 (55.4)

132 (57.6)

Male

128 (66.5)

160 (58.6)

114 (44.6)

98 (42.4)

Maternal HIV status

Negative

172 (89.1)

251 (91.9)

224 (87.4)

198 (86.3)

Positive

3 (1.6)

6 (2.2)

7 (2.9)

8 (3.3)

Missing

18 (9.3)

16 (5.9)

25 (9.7)

24 (10.4)

Mother education

None/incomplete primary

127 (65.8)

149 (55.1)

104 (40.7)

87 (38.1)

Complete primary

44 (22.6)

82 (30.2)

91 (35.8)

83 (36.2)

Any secondary

22 (11.6)

40 (14.7)

61 (23.5)

59 (25.7)

Father education

None/incomplete primary

68 (37.2)

76 (29.1)

40 (16.6)

30 (14.0)

Complete primary

68 (37.2)

97 (37.0)

87 (35.6)

74 (34.4)

Any secondary

47 (25.6)

89 (33.9)

116 (47.8)

111 (51.6)

Mother occupation

Not working

33 (17.2)

38 (14.0)

58 (22.7)

52 (22.6)

Subsistence farmer

159 (82.2)

230 (84.8)

190 (74.3)

171 (74.5)

Others

1 (0.6)

3 (1.2)

8 (3.0)

7 (2.9)

Father occupation

Not working

9 (5.1)

12 (4.6)

15 (6.3)

13 (6.3)

Subsistence farmer

131 (72.0)

169 (58.6)

142 (58.6)

119 (55.6)

Others

42 (22.9)

80 (30.8)

85 (35.1)

82 (38.1)

Household wealth at birth

Poorest

87 (47.0)

112 (42.1)

71 (28.5)

54 (24.4)

Middle

62 (33.5)

91 (34.3)

85 (34.0)

75 (33.6)

Least poor

36 (19.5)

62 (23.6)

93 (37.5)

94 (42.0)

Age of mother at birth

 < 20

47 (24.6)

50 (18.3)

53 (20.9)

45 (19.7)

20–30

102 (52.8)

165 (60.6)

149 (58.2)

134 (58.2)

 > 30

44 (22.7)

57 (21.1)

54 (20.9)

51 (22.1)

Birth order of child

1

47 (25.4)

57 (21.6)

56 (22.5)

48 (21.9)

2–3

52 (28.3)

88 (33.6)

90 (36.2)

79 (35.6)

4 or more

85 (46.3)

118 (44.9)

102 (41.3)

94 (42.5)

Distance to tarmac road

Within 1 km

68 (35.2)

132 (48.4)

143 (55.8)

128 (55.7)

More than 1 km

125 (64.8)

141 (51.6)

113 (44.2)

102 (44.3)

  1. Note: Early grades = grades 1–3, middle grades = grades 4–6 and terminal grades = grades 7–8.