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Table 1 Newborn foot lengths measured by community volunteers and researcher using a hard transparent plastic ruler and using the counselling card

From: The reliability of a newborn foot length measurement tool used by community volunteers to identify low birth weight or premature babies born at home in southern Tanzania

 

Community volunteer N = 142

Researcher N = 142

Mean length in cm (SD)

7.8 (0.3)

8.1 (0.3)

Range (cm)

7.0 - 8.7

7.2 – 8.8

 

n,% (95% confidence interval)

n,% (95% confidence interval)

Ruler measures categorised:

  

  <7 cm

0

0

  7.0-7.9 cm

77, 54% (46–63)

49, 35% (27–43)

  ≥8 cm

65, 46% (37–54)

93, 65% (57–73)

Counselling card categories:

  

  <7 cm

4, 3% (0–7)

1, 1% (0–4)

  7.0-7.9 cm

80, 56% (48–65)

65, 46% (37–54)

  ≥8 cm

58, 41% (33–49)

76, 54% (45–62)