. 2022 Jan 21;17(1):e0262298. doi: 10.1371/journal.pone.0262298

Table 4. Correlates of grip strength (kg) among HIV-infected and HIV-uninfected individuals.

	HIV-infected (n = 272)	HIV-uninfected (n = 119)	HIV-infected versus HIV-uninfected
	β (95%CI)^a	β (95%CI)^a	β difference (95%CI)^a	Interaction p value
Body mass index^b (kg/m²)
Underweight	-5.6 (-7.4–3.8)	-0.9 (-6.2, 4.4)	-4.7 (-10.3, 0.9)
Normal	Ref	Ref	Ref	0.23
Overweight	1.1 (-1.0, 3.3)	0.9 (-1.6, 3.3)	0.3 (-3.0, 3.5)
Waist circumference(cm)
Normal	Ref	Ref	Ref	0.26
Abdominal obesity^c	2.0 (-1.0, 5.0)	-0.3 (-3.2, 2.7)	2.3 (-1.8, 6.4)
Anaemia
No anaemia^d	Ref	Ref	Ref	0.69
Mild^f	-1.4 (-3.4, 0.7)	-1.8 (-5.6, 1.9)	0.5 (-3.8, 4.7)
Moderate^g	-3.9 (-5.8, -2.0)	-5.1 (-10.2, -0.1)	1.2 (-4.1, 6.6)
Severe^h	-2.5 (-5.8, 0.7)	-7.3 (-14.8, 0.3)	4.8 (-3.4, 13.0)
CD4 Counts^b (cells/μL)
≥500	Ref	Ref	Ref	0.53
201–499	-0.2 (-2.8, 2.3)	-0.6 (-3.8, 2.6)	0.4 (-3.7, 4.4)
≤200	-2.9 (-5.4, -0.4)	2.3 (-7.0, 11.6)	-5.2 (-14.8, 4.4)
Log CRP^b^, ^h (mg/L)	-3.3 (-4.3, -2.3)	1.0 (-1.5, 3.6)	-4.4 (-7.1, -1.7)	0.002

^a Confidence interval;

^b Missing data:10 on body mass index, four on CRP, four on CD4 count;

^c waist circumference > 102 for men or > 88 for women;

^d no anaemia ≥12.0 g/dL for men/≥13 g/dL for women;

^e mild anaemia 11.0–11.9 g/dL for men/11.0–12.9 g/dL;

^f moderate anaemia 8.0–10.9 g/dL for men/8.0–10.9 g/dL for women;

^g severe anaemia <8.0g/dL for men/<8.0 g/dL for women;

^h C-creative protein.