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Table 2 Frequency and quantity of feeds (16 items)

From: Development of a questionnaire to assess maternal attitudes towards infant growth and milk feeding practices

Question wording   Test-retest reliability a Validity b   
  Questionc Corrd %Age Kapf Corrd %Age Kapf Median Range
Breastfeeding          
In a typical 24 hour period, how many breastfeeds does your baby have?          
Number of feeds directly from the breast (n = 20) 3a 0.92 47.4 0.41 0.86 26.7 0.20 6 0-12
Number of feeds of expressed breast milk (n = 17) 3b 0.84 91.7 0.85 0.58 75.0 0.57 0 0-8
Amount of expressed breast milk per feed (n = 12) 5 0.87 70.0 0.61 0.88 62.5 0.55 30 ml 0-250 ml
How many minutes does a typical daytime breastfeed directly from the breast last? (n = 19) 4 0.91 50.0 0.44 0.88 43.8 0.37 10 mins 0-30 mins
Formula-feeding          
In a typical 24 hour period, how much formula milk does your baby have?          
Amount of formula milk per feed (n = 26) 7a 0.74 52.2 0.43 0.79 58.3 0.47 210 ml 60-960 mls
Number of formula feeds per day (n = 25) 7b 0.57 73.9 0.68 0.58 45.5 0.37 4 1-8
How many minutes does a typical daytime bottle feed last? (n = 25) 8 0.81 63.6 0.54 0.94 52.2 0.44 15 mins 5-30 mins
Most of the time, how much milk is left in the bottle when your baby has finished feeding?         
none, a little, or a lot (n = 25) 9 0.84 91.3 0.78 0.63 83.3 0.57 72%- a little
What was your baby's age in weeks when you first started formula feeds? (n = 26) 10 0.82 62.5 0.51 0.94 64.0 0.55 1.5 wks 0-15 wks
How many scoops of formula milk powder do you usually use per feed? (n = 25) 11d 0.73 73.9 0.62 0.64 70.6 0.52 7 scoops 2-8 scoops
Other drinks          
If your baby has water, how much water does your baby have?          
Amount of water per drink (n = 30) 13a 0.75 63.0 0.57 0.75 58.3 0.51 17.5 ml 0-150 ml
Number of drinks of water per day (n = 28) 13b 0.83 80.0 0.74 0.70 56.5 0.45 1 0-4
Does your baby have any drink other than milk or water? Yes OR No (n = 40) 14 0.88 97.4 0.87 0.72 91.7 0.68 90%- No
Solids/Semi-solids          
Does your baby have any solid/semi-solid food? Yes OR No (n = 40) 15a 0.84 94.7 0.83 0.84 94.6 0.82 80%-Yes
What was your baby's age in months when you started solid/semi-solid food? (n = 32) 15b 0.91 83.3 0.75 0.82 67.9 0.54 5 mo 4-6mo
How many times per day does your baby have solid/semi-solid food? (n = 32) 15c 0.63 73.3 0.63 0.60 65.5 0.49 3 1-4
  1. aTest-retest reliability-1st and 2nd questionnaires
  2. bValidity-1st questionnaire and interview
  3. cQuestion- Question number
  4. dCorr-Spearman's correlation coefficient
  5. e%Ag- Percentage exact agreement- over 66% good agreement
  6. fKap- Chance corrected agreement or Cohen's Kappa- < 0 poor; 0-0.20 slight; 0.21-0.40 fair; 0.41-0.60 moderate; 0.61-0.8 substantial; 0.81-1 almost perfect