Table 3 Logistic regression models of CD4 count < 500 cells/mm³

Hair cortisol

 First quartile

146 (49.0%)

1 [reference]

–

1 [reference]

–

 Second quartile

157 (52.7%)

1.18 (0.85–1.62)

0.326

1.14 (0.82–1.60)

0.444

 Third quartile

166 (55.7%)

1.33 (0.96–1.83)

0.085

1.10 (0.78–1.55)

0.596

 Fourth quartile

186 (62.6%)

1.77 (1.28–2.45)

< 0.001

1.41 (0.99–2.00)

0.055

Age

 18–30

–

–

–

1 [reference]

–

 31–40

–

–

–

1.08 (0.74–1.58)

0.684

 41–50

–

–

–

1.87(1.21–2.88)

0.005

 51–60

–

–

–

2.05(1.26–3.32)

0.004

Gender

–

–

–

0.65 (0.47–0.90)

0.009

Ethnicity

–

–

–

0.72 (0.56–0.93)

0.01

Marital status

–

–

–

0.99 (0.76–1.30)

0.961

Education levels

–

–

–

0.59 (0.45–0.78)

 < .001

Employment status

–

–

–

0.91 (0.66–1.25)

0.547

Monthly income levels

–

–

–

0.98 (0.76–1.27)

0.874

BMI

–

–

–

0.95 (0.91–0.99)

0.017

Smoking

–

–

–

0.87 (0.65–1.18)

0.369

Drinking

–

–

–

0.83 (0.63–1.09)

0.172

Frequency of hair washing

–

–

–

0.84 (0.57–1.24)

0.381

Years of HIV diagnosis

–

–

–

0.90(0.81–0.97)

0.01

cART status

–

–

–

1.08 (0.79–1.47)

0.627

Years of cART

–

–

–

1.04 (0.95–1.14)

0.408

Self-reported adherence

–

–

–

1.26 (0.79–2.01)

0.323

HIV viral load

–

–

–

2.03 (0.93–4.42)

0.076

Hair cortisone

 First quartile

132 (44.4%)

1 [reference]

–

1 [reference]

–

 Second quartile

162 (54.2%)

1.48 (1.07–2.04)

0.018

1.52 (1.09–2.13)

0.014

 Third quartile

165 (55.4%)

1.55 (1.12–2.14)

0.008

1.50 (1.07–2.12)

0.020

 Fourth quartile

195 (65.7%)

2.39 (1.72–3.33)

< 0.001

2.15 (1.51–3.05)

< 0.001

Age

 18–30

–

–

–

1 [reference]

–

 31–40

–

–

–

1.10 (0.75–1.61)

0.631

 41–50

–

–

–

1.83(1.18–2.82)

0.007

 51–60

–

–

–

1.98(1.21–3.23)

0.006

Gender

–

–

–

0.62 (0.45–0.85)

0.003

Ethnicity

–

–

–

0.73 (0.57–0.94)

0.016

Marital status

–

–

–

1.00 (0.77–1.31)

0.992

Education levels

–

–

–

0.61 (0.46–0.80)

 < .001

Employment status

–

–

–

0.89 (0.64–1.23)

0.469

Monthly income levels

–

–

–

1.01 (0.78–1.31)

0.934

BMI

–

–

–

0.95 (0.91–0.99)

0.009

Smoking

–

–

–

0.85 (0.63–1.15)

0.287

Drinking

–

–

–

0.85 (0.65–1.12)

0.244

Frequency of hair washing

–

–

–

0.84 (0.57–1.24)

0.37

Years of HIV diagnosis

–

–

–

0.88 (0.81–0.96)

0.006

cART status

–

–

–

1.10 (0.80–0.96)

0.554

Years of cART

–

–

–

1.04 (0.95–1.14)

0.403

Self-reported adherence

–

–

–

1.25 (0.78–2.00)

0.349

HIV viral load

–

–

–

2.11 (0.96–4.63)

0.063