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Table 5 Meta-regression entering all covariates β coefficient (95 % confidence interval)

From: Salt intakes in sub-Saharan Africa: a systematic review and meta-regression

Covariate

Model 1

Model 2 (Excluding Q = U5)

Model 3 (Excluding non-black)

Year of data collection

0.012 (-0.020-0.044)

0.015 (-0.018-0.047)

0.012 (-0.023-0.048)

Method of data collection (Urinary as reference)

1.136 (0.066-2.206) *

1.288 (0.211-2.365)*

1.275 (0.126-2.422)*

Sex (% men)

−0.061 (-0.467-0.345)

−0.044 (-0.466-0.379)

−0.064 (-0.497-0.368)

Economic development (1 = L, 2 = LM, 3 = UM)

−0.034 (-0.446-0.378)

−0.159 (-0.599-0.281)

−0.124 (-0.611-0.362)

Location (Rural as reference)

0.874 (0.215-1.534)*

1.010 (0.326-1.694)*

0.814 (0.105-1.523)*

  1. *significant at p < 0.05