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Table 2 Characteristics of families in the HEI sample at age 12 and test-retest reliability sample, mean (SD) for continuous variables and percentage (N) for categorical variables

From: The Home Environment Interview and associations with energy balance behaviours and body weight in school-aged children – a feasibility, reliability, and validity study

  HEI at age 12 (n = 149 families, 298 children) Test-retest sample (n = 20 families)
Mean (SD) or % (n) Mean (SD) or % (n)
Age of child at HEI (years) 12.51 (0.22) 12.40 (0.74)
Gestation (weeks) 36.07 (2.6) –
Birth weight SDS −0.57 (0.96) –
BMI SDS at age 12 −0.06 (1.14) –
Sex of child
 Male 48.7 (145) 55.0 (11)
 Female 51.3 (106) 45.0 (9)
Zygosity
 MZ 28.9 (43) –
 DZ 70.5 (105) –
Maternal age at twin’s birth (years) 35.1 (4.22) 32.8 (5.94)
Maternal BMI at baselinea 24.26 (4.22) –
SESbcomposite at baseline 5.03 (1.01) –
SESbcomposite at HEI 5.15 (1.03) 4.94 (0.97)
Maternal ethnicity
 White 94.6 (141) 100 (20)
 Non-white 5.4 (8) 0 (0)
Marital status
 Married or cohabiting 94 (140) 80 (16)
 Separated or divorced 4 (6) 10 (2)
 Single 2 (3) 10 (2)
Child’s dietary intake
 Fruit consumption
   ≥ twice a day 58.1 (173) 60.0 (12)
   < twice a day 41.9 (125) 40.0 (8)
 Vegetable consumption
   ≥ twice a day 80.2 (239) 65.0 (13)
   < twice a day 19.8 (59) 35.0 (7)
 Energy-dense snack consumption
   ≥ once a day 75.2 (224) 80.0 (16)
   < once a day 24.8 (74) 20 (4)
 Fast food consumption
   ≥ once a week 19.8 (59) 20.0 (4)
  Never or less than once a week 80.2 (239) 80.0 (16)
 Convenience food
   ≥ twice per week 35.6 (106) 35.0 (7)
   < twice per week 64.4 (192) 65.0 (13)
 Sugar-sweetened drink consumption
   ≥ once a day 8.4 (25) 0.0 (0)
   < once a day 91.6 (273) 100.0 (20)
 Artificially-sweetened drink consumption
   ≥ once a day 67.4 (201) 65.0 (13)
   < once a day 32.6 (97) 35.0 (7)
 Fruit juice & smoothie consumption
   ≥ once a day 41.9 (125) 45.0 (9)
   < once a day 58.1 (173) 55.0 (11)
 Milk consumption
   ≥ twice a day 71.4 (212) 40.0 (8)
   < twice a day 28.6 (85) 60.0 (12)
 Physical activity levelc
  Somewhat or much more active 59.4 (177) 55.0 (11)
 About average or less active 40.6 (121) 45.0 (9)
 Sedentary behaviours
  TV viewing and online media use (hours/week) 16.73 (9.70) 13.37 (7.52)
  Video game use (hours/week) 6.91 (6.82) 6.13 (8.58)
Home environment composites Range  
 Home food environment composite −13.67-23.15 –
 Home PA environment composite −4.54-15.45 –
 Home media environment composite −5.45-9.31 –
 Overall home environment composite −2.17-3.02 –
  1. aData were missing for 0.7% (n = 1) families
  2. bThe SES composite score is a weighted score which takes into account the following indicators of SES: gross annual household income (before tax deductions), index of multiple deprivation (IMD), maternal education, home ownership status, household National Statistics Socioeconomic classification (NS-SEC) based on the household representative person, number of bedrooms and number of cars [31]
  3. cCompared to other children of the same age and sex
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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