Table 2 Unadjusted and adjusted odd ratios of factors associated with mental health conditions of depression, anxiety and stress.

From: Association between educational attainment and mental health conditions among Africans working and studying in selected African countries

Model

Depression

Anxiety

Stress

1a

1b

1c

2a

2b

2c

3a

3b

3c

Demography

         

Highest Qualification

         

Bachelor

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Secondary school certificate

1.29 (1.09, 1.54)

1.25 (1.05, 1.50)

1.18 (0.93, 1.52)

1.18 (1, 1.41)

1.16 (0.97, 1.39)

0.88 (0.68, 1.13)

1.12 (0.94, 1.34)

1.12 (0.93, 1.35)

0.98 (0.76, 1.26)

Diploma

1.11 (0.74, 1.67)

1.10 (0.73, 1.67)

1.50 (0.74, 3.13)

0.97 (0.65, 1.46)

0.99 (0.66, 1.50)

0.70 (0.34, 1.43)

1.11 (0.73, 1.67)

1.14 (0.74, 1.72)

1.39 (0.68, 2.83)

Postgraduate (Master/PhD/Prof Doctorate)

0.60 (0.47, 0.76)

0.68 (0.47, 0.97)

0.83 (0.33, 2.07)

0.6 (0.47, 0.77)

0.69 (0.49, 0.98)

1.04 (0.42, 2.74)

0.8 (0.62, 1.03)

0.80 (0.55, 1.14)

0.6 (0.21, 1.54)

Others

0.90 (0.63, 1.3)

0.90 (0.62, 1.31)

0.64 (0.39, 1.05)

1.11 (0.78, 1.6)

1.13 (0.78, 1.63)

0.75 (0.46, 1.24)

0.95 (0.66, 1.38)

0.94 (0.64, 1.37)

0.78 (0.47, 1.29)

Age group

         

Young age

 

1.00

1.00

 

1.00

1.00

 

1.00

1.00

Young adult

 

1.06 (0.87, 1.28)

0.69 (0.49, 0.96)

 

1.15 (0.94, 1.39)

0.85 (0.61, 1.19)

 

1.14 (0.94, 1.39)

0.82 (0.58, 1.17)

Older adult

 

1.05 (0.73, 1.53)

0.71 (0.37, 1.34)

 

1.02 (0.71, 1.48)

0.63 (0.33, 1.17)

 

1.17 (0.80, 1.71)

1.13 (0.59, 2.12)

Gender

         

Female

 

1.00

1.00

 

1.00

1.00

 

1.00

1.00

Male

 

0.87 (0.75, 1.00)

1.09 (0.80, 1.48)

 

0.81 (0.70, 0.94)

0.65 (0.48, 0.89)

 

0.71 (0.61, 0.83)

0.7 (0.51, 0.96)

Occupation

         

Student

 

1.00

1.00

 

1.00

1.00

 

1.00

1.00

Academic staff

 

0.79 (0.54, 1.16)

0.85 (0.58, 1.26)

 

0.81 (0.56, 1.17)

0.86 (0.59, 1.27)

 

0.91 (0.62, 1.33)

0.93 (0.62, 1.38)

Non-academic staff

 

0.54 (0.32, 0.88)

0.55 (0.32, 0.92)

 

0.73 (0.45, 1.17)

0.77 (0.46, 1.27)

 

0.75 (0.45, 1.23)

0.71 (0.41, 1.19)

Interactions with age

         

Education × Age Category Interactions

         

Secondary School × Young Adult

  

2.12 (1.37, 3.29)

  

1.78 (1.15, 2.76)

  

1.79 (1.15, 2.79)

Diploma × Young Adult

  

0.88 (0.34, 2.25)

  

0.94 (0.37, 2.41)

  

0.58 (0.22, 1.52)

Postgraduate × Young Adult

  

1.19 (0.42, 3.42)

  

0.65 (0.22, 1.82)

  

1.89 (0.64, 6.11)

Others × Young Adult

  

1.72 (0.60, 4.88)

  

1.36 (0.48, 3.98)

  

1.35 (0.44, 3.92)

Secondary School × Older Adult

  

2.89 (0.86, 10.8)

  

2.65 (0.79, 9.83)

  

0.94 (0.27, 3.14)

Diploma × Older Adult

  

1.45 (0.38, 5.60)

  

3.38 (0.87, 14.4)

  

0.81 (0.21, 3.09)

Postgraduate × Older Adult

  

1.04 (0.34, 3.32)

  

0.83 (0.26, 2.58)

  

1.14 (0.35, 4.01)

Others × Older Adult

  

2.17 (0.44, 10.2)

  

1.94 (0.42, 9.46)

  

2.98 (0.64, 14.8)

Interactions with gender

Education × Gender Interactions

         

Secondary School × Male

  

0.69 (0.48, 1.00)

  

1.29 (0.89, 1.86)

  

0.98 (0.67, 1.43)

Diploma × Male

  

0.65 (0.27, 1.56)

  

1.72 (0.72, 4.16)

  

1.25 (0.51, 3.09)

Postgraduate × Male

  

0.80 (0.47, 1.33)

  

1.19 (0.72, 1.98)

  

1.06 (0.63, 1.8)

Others × Male

  

1.50 (0.69, 3.29)

  

1.94 (0.89, 4.26)

  

1.05 (0.46, 2.35)

  1. Models 1a, 2a and 3a are univariate models. Models 1b, 2b, and 3b are the adjusted models, while models 1c, 2c, and 3c are the adjusted models with interactions.