Table 4 Parameter estimates and standard errors from linear mixed effects model predicting linear growth (height increase) of girls over the follow up period

Fixed Effects

Intercept

110.260

0.9641

<.0001

Food Insecurity

−0.8689

0.1907

<.0001

Food Insecurity x Time

0.3750

0.2040

0.0663

Height for age z-scores at baseline

7.3941

0.0758

<.0001

Time

3.4408

0.2325

<.0001

Age of girls at baseline

3.5715

0.0627

<.0001

Household Income Tertile

High (Reference)

 Middle

0.2259

0.2193

0.3032

 Middle x time

0.4781

0.2993

0.1105

 Low

0.6734

0.2275

0.0031

 low x time

0.2218

0.3090

0.4729

Place of Residence

Urban (Reference)

 Semi-urban

0.2694

0.2109

0.2016

 Semi-urban x time

0.9145

0.2877

0.0015

 Rural

0.2242

0.2228

0.3146

 Rural x Time

1.1813

0.3007

<.0001

Random effects

Variance of Random Intercept

2.9134

0.5852

Variance of Random Slope

13.9245

0.7515

Covariance of Random Intercept and Slope

5.6652

0.5789

Variance of measurement errors (residuals)

12.0751

0.4551