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. 2013 Sep 5;6:10.3402/gha.v6i0.21064. doi: 10.3402/gha.v6i0.21064

Table 3.

Wald tests for vignette equivalence between countries for mobility (N=9,375) and cognition (N=8,788) domain

Mobility – moving around Mobility – vigorous activity Cognition – memory Cognition – learning

Wald test (p-value) Wald test (p-value) Wald test (p-value) Wald test (p-value)
Global test (df=28) 1157.9 (.000) 1191.8 (.000) 3039.2 (.000) 2732.6 (.000)
Nairobi, Kenya (df=4) 14.1 (.006) 58.5 (.000) 38.6 (.000) 109.2 (.000)
Agincourt, South Africa (df=4) 26.7 (.000) 15.8 (.003) 44.0 (.000) 82.8 (.000)
Ifakara, Tanzania (df=4) 32.6 (.000) 29.7 (.000) 310.6 (.000) 353.2 (.000)
Matlab, Bangladesh (df=4) 44.6 (.000) 44.9 (.000) 106.6 (.000) 107.1 (.000)
Vadu, India (df=4) 88.4 (.000) 103.6 (.000) 311.6 (.000) 327.9 (.000)
Purworejo, Indonesia (df=4) 46.7 (.000) 37.7 (.000) 74.8 (.000) 105.4 (.000)
Filabavi, Vietnam (df=4) 15.5 (.003) 17.4 (.001) 75.2 (.001) 85.7 (.000)

Reference category is Navrongo, Ghana. p-Value in parenthesis.