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Table 6 Regression coefficients [95% CI] from the GEE models a examining some factors modifying the effect of the intervention on developmental outcomes

From: Effect of play-based family-centered psychomotor/psychosocial stimulation on the development of severely acutely malnourished children under six in a low-income setting: a randomized controlled trial

Explanatory variables

Developmental outcomes

FM

GM

LA

PS

SE

β (95%CI)

β (95%CI)

β (95%CI)

Β (95%CI)

β (95%CI)

Duration of follow up (days in study)

0.45 [0.39, 0.52] p < 0.001

0.57 [0.47, 0.68] p < 0.001

0.62 [0.52, 0.72] p < 0.001

0.49 [0.41, 0.56] p < 0.001

−1.7 [− 2.58, − 0.75] p < 0.001

Number of stimulation sessions in hospital b

0.07[− 0.07, .22] p = 0.329

0.07 [− 0.1,0.2] p = 0.415

0.08 [− 0.3, 0.5] p = 0.691

0.06 [−0.1, 0.2] p = 0.530

0.97 [0.07, 0.19] p = 0.034

Two or more c stimulation sessions at home

−0.2 [− 0.7, 0.3] p = 0.432

−0.001[− 0.6, 0.6] p = 0.998

−0.7 [− 1.9, 0.5] p = 0.249

−0.2 [− 0.7, 0.4] p = 0.571

− 3.3 [− 9.6, 2.95] p = 0.301

How often d the intervention SAM child received RUTF from a nearby health center

Always

−0.5 [− 1.1, 0.3] p = 0.234

−0.93 [− 1.78, − 0.09] p = 0.031

0.1 [− 1.1, 1.4] p = 0.842

− 0.1 [− 0.7, 0.5] p = 0.714

− 0.8 [− 6.9, 5.2] p = 0.789

Sometimes

− 0.2 [−1.1, 0.7] p = 0.727

− 0.6 [− 1.3, 0.1] p = 0.112

1.41 [0.12, 2.70] p = 0.032

− 0.4 [− 1.1, 0.3] p = 0.281

1.3 [− 7.1, 9.6] p = 0.767

Whether or not the intervention SAM child was sick after discharge from hospital e

0.09 [− 0.5, 0.7] p = 0.781

0.2 [− 0.5, 0.9] p = 0.520

− 1.11 [− 2.10, − 0.15] p = 0.024

0.51 [0.01, 1.01] p = 0.047

− 3.3 [− 9.6, 2.9] p = 0.297

Whether or not the intervention SAM child was getting home-prepared special food during the home follow-up

−0.2 [− 1.0, 0.5] p = 0.552

0.6 [− 0.05, 1.2] p = 0.071

−0.5 [− 1.6, 0.6] p = 0.414

−0.1[[− 0.5, 0.4] p = 0.789

− 3.4 [− 9.2, 2.4] p = 0.255

Social-emotional scores of the child during the follow-up

−0.02* [− 0.03, − 0.003] p = 0.016

−0.01 [− 0.03, 0.001] p = 0.068

−0.01 [− 0.03, 0.02] p = 0.543

−0.003 [− 0.01, 0.01] p = 0.544

  1. FM fine motor, GEE Generalized Estimating Equations, GM gross motor, LA language, PS personal social, SE social-emotional
  2. a All the covariates were entered simultaneously into the GEE model for each developmental domain
  3. b ‘Stimulation sessions’ refers to total number of play sessions in the play room and playground the intervention SAM child received before discharge from hospital; c reference is only ‘once a day’; d reference is ‘rarely or not at all’
  4. e The reference is “being sick”