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Table 3 Difference-in-differences (delta score) and 95% CI between groups adjusted for child’s sex, parents’ age: stratified analysis by education level and parity. Scores are based on a six-item scale, each item has 0–10 values, and the total score ranges from 0 to 60

From: Evaluation of an intervention aimed at supporting new parents: the Baby Newsletter project

TOPSE domain Education Level   Parity  
  < 13 years 13 years > 13 years Interaction
p-value
no other child other children Interaction
p-value
Emotion*## -5.78 (−9.76; −1.81) 1.60 (− 1.23; 4.43) 3.62 (0.64; 6.60) 0.0006 3.36 (0.35; 6.37) − 1.27 (−4.10; 1.55) 0.0267
Play −2.01 (−6.07; 2.05) 1.85 (− 0.72; 4.42) 4.47 (0.84; 8.10) 0.1225 2.39 (−0.16; 4.95) 1.88 (−1.59; 5.34) 0.8608
Empathy** −0.27 (−4.60; 4.07) −1.21 (− 4.61; 2.18) 3.96 (1.14; 6.79) 0.0265 1.44 (−1.89; 4.76) − 0.26 (− 3.58; 3.06) 0.4645
Pressures of parenting ** − 12.55 (−22.57; − 2.52) 2.54 (− 2.77; 7.86) 1.70 (− 3.08; 6.48) 0.0127 2.75 (− 2.11; 7.61) − 1.25 (− 8.17; 5.67) 0.3599
Self-acceptance# 1.22 (− 2.19; 4.63) 2.73 (− 0.91; 6.37) 2.04 (− 0.89; 4.98) 0.6751 4.55 (1.01; 8.08) − 1.28 (−3.67; 1.09) 0.0093
Learning −0.42 (− 6.19; 5.34) −1.27 (−5.35; 2.81) 1.52 (− 1.82; 4.85) 0.3932 0.66 (− 3.41; 4.73) −2.46 (− 5.20; 0.27) 0.2458
  1. p-value interaction between groups and education level * < 0.01** < 0.05
  2. p-value interaction between groups and parity # < 0.01 # # < 0.05
  3. In the table only TOPSE domains evaluated at t0 and t2 are reported