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Table 4 Factors related to smoking and alcohol use in relation to high anti-HHV-8 antibody titers*

From: Risk factors for high anti-HHV-8 antibody titers (≥1:51,200) in black, HIV-1 negative South African cancer patients: a case control study

Characteristic

High titer/total pos (%)¥

aOR * 95%CI

Smoke cigarettes/pipes

  

No§

179/486 (36.8)

1.0

Past

96/233 (41.2)

1.12 (0.77–1.62)

Yes

46/128 (35.9)

1.00 (0.64–1.57)

Test of Homogeneity

 

χ2 (2df) = 0.43, p = 0.80

Use of snuff

  

No§

255/691 (36.9)

1.0

Past

22/57 (38.6)

0.97 (0.54–1.71)

Current

47/101 (46.5)

1.48 (0.95–2.30)

Test of Homogeneity

 

χ2 (2df) = 2.56, p = 0.11

Consumption of maize beer

  

Never§

277/761 (36.4)

1.0

Less than 1× week

18/50 (36.0)

0.92 (0.51–1.69)

More than 1× week

13/17 (76.5)

5.10 (1.64–15.87)

Most days

13/20 (65.0)

3.07 (1.19–7.90)

Test for Trend

 

χ2 = 9.49, p = 0.002

Consumption of sorghum beer

  

Never§

250/692 (36.1)

1.0

Less than 1× week

47/116 (40.5)

1.12 (0.74–1.70)

More than 1× week

15/25 (60.0)

2.46 (1.08–5.64)

Most days

7/13 (53.9)

1.93 (0.64–5.86)

Test for Trend

 

χ2 = 4.29, p = 0.04

Consumption of other homemade beer

  

Never§

249/636 (39.2)

1.0

Less than 1× week

43/151 (28.5)

0.52 (0.34–0.78)

More than 1× week

18/38 (47.4)

1.18 (0.60–2.31)

Most days

7/18 (38.9)

0.91 (0.34–2.41)

Test for Trend

 

χ2 = 1.46, p = 0.23

Consumption of homemade spirits

  

Never§

284/776 (36.6)

1.0

Less than 1× week

15/27 (55.6)

2.26 (1.03–5.00)

More than 1× week

4/8 (50.0)

1.60 (0.39–6.53)

Most days

13/25 (52.0)

2.05 (0.91–4.60)

Test for Trend

 

χ2 = 5.11, p = 0.02

Consumption of commercial beer

  

Never§

187/508 (36.8)

1.0

Less than 1× week

21/48 (43.8)

1.32 (0.72–2.43)

More than 1× week

38/81 (46.9)

1.35 (0.83–2.21)

Most days

74/211 (35.1)

0.85 (0.58–1.250

Test for Trend

 

χ2 = 0.24=, p = 0.63

Consumption of commercial spirits

  

Never§

257/680 (37.8)

1.0

Less than 1× week

29/82 (35.4)

0.85 (0.52–1.39)

More than 1× week

12/39 (30.8)

0.68 (0.33–1.41)

Most days

22/45 (48.9)

1.59 (0.85–2.99)

Test for Trend

 

χ2 = 0.37, p = 0.54

Consumption of wine

  

Never§

278/733 (37.9)

1.0

Less than 1× week

23/68 (33.8)

0.83 (0.49–1.41)

More than 1× week

3/6 (50.0)

1.58 (0.31–8.01)

Most days

13/27 (48.2)

1.63 (0.75–3.56)

Test for Trend

 

χ2 = 0.90, p = 0.34

Consumption of any alcohol

  

No§

162/432 (37.5)

1.0

Yes

159/416 (38.2)

0.94 (0.69–1.29)

Test of Homogeneity

 

χ2= 0.13, p = 0.72

Consumption of any maize or sorghum traditional beers

  

No§

245/682 (35.9)

1.0

Yes

75/166 (45.2)

1.37 (0.95–1.97)

Test of Homogeneity

 

χ2 = 2.85, p = 0.09

  1. * Adjusted for age category < 35, 35–44, 45–54, 55–64, or ≥ 65 and sex. ¥ Data were not available for all patients for all variables. § These patients served as the reference group. All values were calculated with the χ2 test with 1 df unless noted otherwise.