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Table 4 Linear Mixed Model Assessing Predictors of Academic performance in (Lower classes 2-4) and (Upper classes 5-7) after Interventiona

From: The feasibility of using life skills training in primary schools to improve mental health and academic performance: a pilot study in Kenya

Parameter

Category

Aggregate

English

Kiswahili

Mathematics

Science

Social Studies

β(95%C.I β)

β(95%C.I β)

β(95%C.I β)

β(95%C.I β)

β(95%C.I β)

β(95%C.I β)

Lower classes (2-4)

Gender

Female

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Male

-3.61(-9.96 to 2.74)

-3.98(-5.46 to -2.49)***

-3.18(-4.76 to -1.6)***

1.16(-0.61 to 2.93)

1.55(-0.22 to 3.32)

1.0(-0.60 to 2.60)

Guardianship

Both Parents

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Single parent

-11.61(-23.71 to 0.49)

-1.2(-4.02 to 1.61)

-4.28(-7.3 to -1.27)**

1.37(-4.73 to 1.99)

-1.85(-5.23 to 1.53)

-1.43(-4.44 to 1.58)

Others

1.67(-14.41 to 17.74)

0.14(-3.61 to 3.89)

-1.59(-5.63 to 2.44)

3.89(-0.58 to 8.36)

-1.85(-6.34 to 2.63)

0.67(-3.35 to 4.69)

Marital Status

Married

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Single/divorced

4.0(-10.0 to 17.99)

-1.38(-4.65 to 1.88)

1.39(-2.08 to 4.87)

-0.22(-4.09 to 3.65)

3.2(-0.70 to 7.10)

-0.15(-3.66 to 3.33)

Fathers education level

Primary or less

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Secondary or more

0.98(-9.17 to 11.13)

-0.41(-2.76 to 1.93)

0.27(-2.23 to 2.77)

-1.52(-4.32 to 1.29)

2.4(-0.41 to 5.21)

0.44(-2.07 to 2.96)

Don’t know

-0.78(-11.85 to 10.30)

-1.18(-3.75 to 1.39)

-0.77(-3.55 to 2.01)

-1.3(-4.38 to 1.78)

1.7(-1.40 to 4.79)

0.36(-2.40 to 3.13)

Mothers education level

Primary or less

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Secondary or more

2.86(-6.98 to 12.71)

0.57(-1.70 to 2.84)

1.04(-1.38 to 3.47)

0.56(-2.15 to 3.28)

0.04(-2.71 to 2.79)

1.30(-1.14 to 3.75)

Don’t know

2.46(-8.12 to 13.04)

1.06(-1.39 to 3.51)

-0.36(-3.00 to 2.29)

0.07(-2.89 to 3.03)

0.07(-2.89 to 3.03)

1.75(-0.89 to 4.40)

Fathers employment

Unemployed

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Employed

-3.74(-11.12 to 3.63)

-1.08(-2.81 to 0.64)

-0.31(-2.14 to 1.53)

-1.65(-3.67 to 0.38)

-0.46(-2.52 to 1.60)

-0.69(-2.51 to 1.13)

Mothers employment

Unemployed

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Employed

6.65(-0.71 to 14.02)

1.76(0.03 to 3.49)*

0.99(-0.85 to 2.82)

0.33(-1.73 to 2.39)

2.06(-0.01 to 4.13)*

1.42(-0.42 to 3.27)

Region

Peri-Urban

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Rural

2.11(-13.55 to 17.19)

-2.59(-6.5 to 1.21)

-0.69(-3.82 to 2.27)

1.30(-1.16 to 10.71)

1.59(-2.28 to 5.67)

0.77(-2.79 to 4.24)

Class

Two

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Three

-11.84(-35.18 to 9.01)

1.33(-2.78 to 5.4)

1.25(-2.86 to 5.00)

-5.74(-11.93 to -0.07)

-2.34(-7.95 to 2.76)

-5.00(-9.37 to -0.89)*

Four

-0.26(-20.53 to 18.2)

3.80(0.17 to 7.29)*

4.82(0.40 to 8.86)*

-5.51(-11.94 to 0.57)

-1.39(-6.84 to 3.64)

-0.51(-4.47 to 3.06)

Attention

Attention

-1.55(-2.33 to -0.78)***

-0.31(-0.49 to -0.13)***

-0.41(-0.60 to -0.22)***

-0.29(-0.50 to -0.08)**

-0.22(-0.43 to -0.003)*

-0.27(-0.47 to -0.08)**

Internalizing

Internalizing

0.39(-0.38 to 1.16)

0.22(0.04 to 0.4)*

0.02(-0.17 to 0.21)

0.05(-0.16 to 0.27)

0.06(-0.16 to 0.27)

0.07(-0.12 to 0.26)

Externalizing

Externalizing

-0.05(-0.87 to 0.77)

0.04(-0.15 to 0.23)

0.004(-0.21 to 0.2)

-0.05(-0.28 to 0.17)

-0.04(-0.27 to 0.19)

-0.04(-0.24 to 0.16)

Total Problems

Total

0.30(-1.08 to 1.68)

-0.12(-0.44 to 0.20)

0.14(-0.20 to 0.48)

0.10(-0.28 to 0.48)

0.09(-0.29 to 0.47)

0.1(-0.24 to 0.44)

Age in years

Age

-8.13(-10.67 to -5.58)***

-1.95(-2.55 to -1.36)***

-1.79(-2.43 to -1.16)***

-1.24(-1.95 to -0.53)***

-1.88(-2.6 to -1.17)***

-1.50(-2.14 to -0.86)***

Time

Pre-Post

14.09(8.08 to 20.1)***

3.60(2.20 to 4.99)***

4.26(2.76 to 5.75)***

1.30(-0.35 to 2.96)

1.25(-0.43 to 2.92)

3.99(2.48 to 5.49)***

Upper classes (5-7)

Gender

Female

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Male

7.80(2.77 to 12.83)**

-0.10(-1.25 to 1.06)

-0.57(-1.76 to 0.63)

1.17(-0.38 to 2.73)

4.84(3.20 to 6.48)***

2.75(1.46 to 4.04)***

Guardianship

Both Parents

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Single parent

-5.28(-15.03 to 4.46)

-0.30(-2.53 to 1.92)

0.002(-2.30 to 2.31)

-1.94(-4.93 to 1.06)

-3.11(-6.29 to 0.07)

0.09(-2.44 to 2.62)

Others

10.59(-1.13 to 22.31)

1.82(-0.86 to 4.51)

2.55(-0.23 to 5.34)

1.97(-1.65 to 5.58)

1.65(-2.18 to 5.48)

3.10(0.10 to 6.10)*

Marital Status

Married

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Single/divorced

14.99(4.77 to 25.21)**

2.88(0.54 to 5.21)*

2.34(-0.07 to 4.76)

2.01(-1.14 to 5.17)

5.19(1.85 to 8.54)**

2.21(-0.42 to 4.84)

Fathers education level

Primary or less

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Secondary or more

3.49(-2.49 to 9.46)

0.92(-0.45 to 2.29)

0.23(-1.20 to 1.66)

0.81(-1.03 to 2.66)

0.79(-1.17 to 2.75)

0.43(-1.11 to 1.97)

Don’t know

-7.34(-15.34 to 0.65)

-0.87(-2.71 to 0.97)

-0.82(-2.74 to 1.10)

-2.07(-4.54 to 0.40)

-1.86(-4.48 to 0.75)

-2.10(-4.16 to -0.05)*

Mothers education level

Primary or less

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Secondary or more

3.46(-2.39 to 9.31)

0.76(-0.57 to 2.09)

0.70(-0.68 to 2.08)

0.96(-0.82 to 2.74)

-0.21(-2.11 to 1.69)

0.98(-0.53 to 2.48)

Don’t know

1.88(-6.11 to 9.87)

-1.03(-2.86 to 0.79)

-0.28(-2.18 to 1.62)

2.67(0.20 to 5.13)*

-0.01(-2.64 to 2.62)

0.45(-1.61 to 2.52)

Fathers employment

Unemployed

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Employed

-3.60(-9.21 to 2.02)

-0.74(-2.02 to 0.54)

-0.35(-1.68 to 0.99)

-2.04(-3.76 to -0.31)*

-1.27(-3.11 to 0.57)

0.53(-0.91 to 1.98)

Mothers employment

Unemployed

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Employed

1.24(-3.86 to 6.35)

-0.06(-1.22 to 1.11)

0.29(-0.93 to 1.50)

1.26(-0.32 to 2.84)

0.26(-1.41 to 1.94)

0.11(-1.20 to 1.42)

Region

Peri-Urban

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Rural

28.33(6.82 to 50.09)***

1.8(-1.99 to 5.66)

1.94(-1.68 to 5.74)

11.61(6.43 to 16.60)***

3.6(-2.82 to 9.94)

0.08(-6.11 to 6.45)

Class

Five

Ref.

Ref.

Ref.

Ref.

Ref.

Ref.

Six

11.15(1.65 to 21.26)*

2.74(0.51 to 5.00)*

-0.13(-2.52 to 2.41)

4.78(1.99 to 7.59)**

1.70(-2.38 to 5.81)

2.32(-0.05 to 4.94)

Seven

24.42(7.52 to 40.86)**

4.56(0.76 to 8.29)*

1.99(-2.00 to 6.15)

9.28(4.94 to 13.51)***

5.11(-0.96 to 10.95)

4.27(0.13 to 8.54)*

Attentions problems

Attention

-0.82(-1.39 to -0.25)**

-0.15(-0.29 to -0.02)*

-0.18(-0.32 to -0.05)**

-0.19(-0.37 to -0.02)*

-0.18(-0.37 to 0.002)

-0.09(-0.24 to 0.06)

Internalizing problems

Internalizing

0.35(-0.42 to 1.12)

0.09(-0.09 to 0.27)

0.08(-0.1 to 0.27)

0.22(-0.03 to 0.46)

0.004(-0.25 to 0.26)

-0.01(-0.21 to 0.19)

Externalizing problems

Externalizing

-0.72(-1.4 to -0.05)*

-0.17(-0.32 to -0.02)*

-0.03(-0.19 to 0.14)

0.03(-0.18 to 0.24)

-0.27(-0.49 to -0.05)*

-0.21(-0.38 to -0.04)*

Total Problems

Total

-0.07(-1.23 to 1.1)

-0.04(-0.3 to 0.23)

-0.11(-0.38 to 0.17)

-0.2(-0.56 to 0.16)

0.06(-0.32 to 0.44)

0.11(-0.19 to 0.41)

Age in years

Age

-8.71(-11.01 to -6.42)***

-1.83(-2.36 to -1.31)***

-1.37(-1.92 to -0.82)***

-2.00(-2.7 to -1.29)***

-1.77(-2.52 to -1.02)***

-1.61(-2.2 to -1.02)***

Time

Pre-Post

11.44(6.06 to 16.82)***

2.61(1.38 to 3.84)***

0.91(-0.37 to 2.19)

2.44(0.76 to 4.11)**

2.41(0.65 to 4.16)**

2.8(1.42 to 4.17)***

  1. a Results from a single mixed model adjusting for all response variables allowing intercept and class grade to vary by school group. : Ref.-Reference category;β- Beta coefficient is then the average difference in Academic performance scores between the category for the reference group and the category for which the comparison group; *P < 0.05; **P < 0.01; ***P < 0.001