Table 5 Differential Item Functioning in the male and the female subgroups

From: A Mokken scale analysis of the Kessler-6 screening measure among Chinese older population: findings from a national survey

Item	Uniform DIF			Non-uniform DIF
Item	χ₁₂²	ΔR²	Δβ12	χ₂₃²	ΔR²
1	0.1523	0.0001	0.0024	0.5028	0.0000
2	0.0535	0.0003	0.0028	0.0406	0.0003
3	0.1448	0.0002	0.0018	0.0431	0.0003
4	0.0004	0.0011	0.0077	0.0240	0.0005
5	0.0056	0.0005	0.0062	0.4029	0.0000
6	0.9285	0.0000	0.0001	0.4288	0.0001

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