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Table 2 Adjusted a) mean differences in CHQ-PF 50 b) scores between preterms and matched control children

From: Health related quality of life after extremely preterm birth: a matched controlled cohort study

CHQ sub-scales

Boys Mean

(95% CI)

Girls

Mean (95% CI)

Interaction p-value

gender × preterm/control

Roles/social emotional

-21.7 (-35.1, -8.3)

-1.8 (-12.1, 8.5)

0.01

Parental impact-time

-19.4 (-31.3, -7.5)

-4.5 (-13.6, 4.6)

0.04

Parental impact-emotional

-25.8 (-41.5, -10.2)

-4.1 (-16.1, 7.9)

0.02

Behavior

-22.3 (-35.6, -9.1)

-4.5 (-14.7, 5.7)

0.02

Psychosocial summary score

-11.0 (-17.9, -4.1)

-2.2 (-7.5, 3.0)

0.03

 

With learning or attention problems

Mean (95% CI)

Without learning or attention problems

Mean (95% CI)

Interaction p-value attention/learning × preterm/control

General health

-20.5 (-31.7, -9.3)

-2.0 (-16.1, 12.2)

0.02

Parental impact-time

-17.1 (-26.5, -7.8)

2.9 (-9.6, 15.4)

0.01

 

Adjusted a) results without interaction

Mean (95% CI)

Physical functioning

-3.9 (-8.1, 0.4)

Role/social physical

1.4 (-6.2, 9.0)

Bodily pain

5.0 (-5.2, 15.3)

Self-esteem

-3.4 (-12.3, 5.5)

Mental health

-4.0 (-9.6, 1.8)

Family activities

-9.2 (-19.3, 0.9)

Family cohesionc)

-8.7 (-19.7, 2.3)

Physical summary score

-1.4 (-5.3, 2.4)

  1. a) Results are presented adjusted for gender, physical activity, learning and/or attention problems and forced expiratory volume in the first second (% predicted), including the interaction term when this was significant.
  2. b) Child Health Questionnaire-Parent Form 50; scale range 0-100 (except summary scores = norm based values with mean of 50 and standard deviation of 10)
  3. c) Single item score