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Table 4 Comparing percentage meeting calcium RDA (%): intervention versus control clusters

From: Efficacy of a workplace osteoporosis prevention intervention: a cluster randomized trial

 

Difference

95 % CI

p

Baseline

−0.68

−8.6–7.2

0.86

1st follow-up

47.0

39.6–54.4

<0.0005

2nd follow-up

37.8

28.5–47.0

<0.0005

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BMC Public Health

ISSN: 1471-2458

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