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Table 8 Age-specific effects of household economic status (ES)

From: Household and community socioeconomic and environmental determinants of child nutritional status in Cameroon

 

Weight-for-age z-score

Height-for-age z-score

 

1991

1998

1991

1998

Child age groups (months)

Unadjusted model

Adjusted model

Unadjusted model

Adjusted model

Unadjusted model

Adjusted model

Unadjusted model

Adjusted model

 

Effects of ES

0–5

0.095

-0.153

0.055

-0.047

-0.069

-0.275**

0.313**

0.202*

6–11

0.331***

0.127

0.427***

0.295**

0.260**

0.087

0.194*

0.062

12–23

0.404***

0.176**

0.503***

0.361***

0.473***

0.268**

0.408***

0.269**

24–35

0.399***

0.177**

0.445***

0.306***

0.510***

0.332***

0.381***

0.225**

 

Age-difference in ES effects (each age group is compared to 0–5 months)

0–5 (reference)

        

6–11

0.236*

0.280**

0.371**

0.341**

0.329**

0.363**

-0.118

-0.140

12–23

0.308**

0.330**

0.448***

0.407***

0.542***

0.543***

0.094

0.067

24–35

0.304**

0.330**

0.389***

0.353***

0.579***

0.608***

0.068

0.023

  1. Notes: The unadjusted models for "ES effects" included child age groups and the interaction terms between child age groups and ES; the adjusted models additionally included the independent variables used in model 4 of tables 5–6 (model 4 was used to avoid correlation of ES with variables such as education and community environmental index; however the full model (model 7) yielded results very similar to those presented in the table). The unadjusted models for "age-difference in ES effects" included child age groups, ES, and the interaction terms between child age groups and ES (except for the interaction term between 0–5 months and ES); the adjusted models additionally included the independent variables used in model 4 of tables 5–6. These models were estimated for the years 1991 and 1998 simultaneously.
  2. -Statistical significance: *: P < 0.10; **: p < 0.05; ***: p < 0.001