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Table 3 Test–retest reliability of the questionnaire (retest after 2 weeks)

From: A feasible and reliable self-administered parental assessment of children’s lifestyle (SAPLACL): an ancillary study based on the VIF program

 

Number of items

Agreement (%)

Reliability indexa

Part 1: Dietary habits

 Take Breakfast during school day

1

100

0.81 (0.57–1.00)

 Take Breakfast during school free day

1

100

1.00 (1.00–1.00)

 What

9

67.2 to 90.60

0.65 (0.27–0.81)

 Take Morning snacking

1

87.5

0.85 (0.75–0.95)

 Lunch school

1

96.9

0.96 (0.91–1.00)

 Afternoon snacking

1

95.3

0.55 (0.09–1.00)

 Snacking front of the TV

1

96.8

0.86 (0.66–1.00)

 Foods intake

9

54.7 to 81.2

0.53 (0.27–0.60)

 Drink intake

6

56.1 to 95.2

0.63 (0.33—0.76)

Part 2: Lifestyle habits

 Sleep week

1

NA

0.84 (0.75–0.90)b

 Sleep weekend

1

NA

0.84 (0.75–0.90)b

 Mode of commuting to school

1

96.5

0.90 (0.76–1.00)

 Screen

5

91.7 to 100

0.93 (0.82–1.00)

Part 3: Physical activity habits

 Physical Activity in Sport Club

1

94.9

0.87 (0.72–1)

 Leisure Physical Activity

1

90.2

0.80 (0.65–0.95)

 Awareness Physical Activity perception

1

NA

0.66 (0.50–0.78)

  1. NA: not applicable,
  2. aReliability index indicates the Kappa value (95%Confidence interval (CI)) or the median (range) of Kappa individual items values in case of multiple items per dimension unless otherwise as indicated
  3. bIntraclass correlation coefficient (95%CI)