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. 2020 Aug 11;20:101174. doi: 10.1016/j.pmedr.2020.101174

Table 1.

Participant characteristics and mean prostate-specific antigen (PSA; ng/mL) level among 928 African American (AA) men, Chicago 2013–2018.

Participant Characteristics n Dichotomous
Continuous
PSA <4 (row %) PSA ≥4 (row %) Mean PSA St. Dev.
Behavioral factors
Cigarette smoking historya
 Never 198 95.5% 4.5% 1.40 2.04
 0 to 1 pack-year 605 93.1% 6.9% 1.47 2.27
 >1 pack-year 125 86.4% 13.6% 1.86 2.64
 χ2 p-valueb 0.008
 One-way ANOVA p-valuec 0.168
Other current tobacco usea,d
 No 837 93.1% 6.9% 1.45 2.08
 Yes 91 89.0% 11.0% 1.98 3.62
 χ2 P-valueb 0.158
 One-way ANOVA p-valuec 0.038
Current marijuana use
 No 741 91.9% 8.1% 1.56 2.38
 Yes 187 95.7% 4.3% 1.27 1.84
 χ2 P-valueb 0.073
 One-way ANOVA p-valuec 0.119
Co-variates
Age (years)a
 40 to <45 108 98.2% 1.8% 0.99 0.94
 45 to <50 176 97.2% 2.8% 0.97 1.06
 50 to <55 213 93.4% 6.6% 1.42 2.31
 55 to <60 196 90.3% 9.7% 1.69 2.44
 ≥60 235 88.1% 11.9% 2.07 2.98
 χ2 p-valueb <0.001
 One-way ANOVA p-valuec <0.001
Marital statusa
 Single, never married 450 94.7% 5.3% 1.34 2.07
 Married 158 92.4% 7.6% 1.57 2.21
 Living with partner 53 90.6% 9.4% 1.70 1.77
 Separated 74 91.9% 8.1% 1.50 2.56
 Divorced 156 87.8% 12.2% 1.93 2.99
 Widowed 34 94.1% 5.9% 1.22 1.32
 χ2 p-valueb 0.184
 One-way ANOVA p-valuec 0.184
Individual socioeconomic status (SES)a
 Low 720 92.8% 7.2% 1.53 2.39
 Middle 148 91.9% 8.1% 1.47 1.96
 High <10
 Missing 53 92.5% 7.5% 1.34 1.63
 χ2 p-valueb 0.873
 One-way ANOVA p-valuec 0.904
Neighborhood socioeconomic status (SES), quintilee
 Quintile 1 (Low) 313 91.1% 8.9% 1.52 2.20
 Q2 326 92.3% 7.7% 1.58 2.41
 Q3 197 94.4% 5.6% 1.41 2.31
 Q4 87 96.6% 3.5% 1.36 2.06
 Q5 (High) <10
 χ2 p-valueb 0.42
 One-way ANOVA p-valuec 0.851
Overall self-rated health, 10-point scorea,f
 Quintile 1 (Low) 185 88.7% 11.3% 1.86 2.98
 Q2 71 93.0% 7.0% 1.45 1.64
 Q3 168 93.5% 6.5% 1.36 2.05
 Q4 286 93.0% 7.0% 1.47 2.09
 Q5 (High) 218 95.0% 5.0% 1.37 2.17
 χ2 p-valueb 0.179
 One-way ANOVA p-valuec 0.191
Hypertension medicationa
 No 608 92.6% 7.4% 1.53 2.46
 Yes 320 92.8% 7.2% 1.45 1.89
 χ2 P-valueb 0.905
 One-way ANOVA p-valuec 0.600
Previous cancer diagnosisa
 No 903 92.7% 7.3% 1.51 2.30
 Yes 25 92.0% 8.0% 1.27 1.21
 χ2 P-valueb 0.896
 One-way ANOVA p-valuec 0.602
Body mass index (BMI)g
 Underweight 40 97.5% 2.5% 1.32 0.91
 Normal weight 322 92.9% 7.1% 1.48 2.21
 Overweight 308 90.3% 9.7% 1.71 2.60
 Obese 244 94.7% 5.3% 1.27 1.90
 Missing 14 92.9% 7.4% 2.07 4.14
 χ2 p-valueb 0.243
 One-way ANOVA p-valuec 0.181
Health insurance provider typea
 Medicaid 306 93.1% 6.9% 1.37 1.75
 Uninsured 223 93.7% 6.3% 1.32 1.98
 Other govt supported 273 91.9% 8.1% 1.65 2.61
 Private or single payer 119 91.6% 8.4% 1.85 3.06
 Missing <10
 χ2 p-valueb 0.848
 One-way ANOVA p-valuec 0.169
Last PSA testa
 Never 489 92.8% 7.2% 1.45 2.37
 <1 year 162 92.6% 7.4% 1.56 1.99
 1 to 5 years 165 90.9% 9.1% 1.87 2.62
 >5 years ago 59 94.9% 5.1% 1.08 1.08
 Unknown 53 94.3% 5.7% 1.15 1.96
 χ2 p-valueb 0.839
One-way ANOVA p-valuec 0.094
Last prostate exama
 Never 492 93.3% 6.7% 1.51 2.47
 <1 year 128 91.4% 8.6% 1.56 1.95
 1 to 5 years 199 91.5% 8.5% 1.60 2.32
 >5 years ago 109 93.6% 6.4% 1.26 1.54
 χ2 p-valueb 0.766
One-way ANOVA p-valuec 0.640
Visits to doctor in last 12 monthsa
 Quintile 1 (Low) 183 90.2% 9.8% 1.67 2.82
 Q2 108 91.7% 8.3% 1.86 2.95
 Q3 231 94.8% 5.2% 1.28 2.06
 Q4 220 95.0% 5.0% 1.39 1.83
 Q5 (High) 186 90.3% 9.7% 1.56 1.94
 χ2 p-valueb 0.154
 One-way ANOVA p-valuec 0.159
Total 928 92.7% 7.3% 1.50 2.28

∼ Suppressed due to cell frequency <10.

a

Based on self-report.

b

χ2 P-values use binary PSA <4 vs. ≥4 ng/mL as the outcome.

c

One-way ANOVA (analysis of variance) provided for continuous PSA as the outcome.

d

Other tobacco use includes current regular use of E-cigarettes, cigars, pipes, snuff, chewing tobacco, and hookah.

e

Quintiles of neighborhood-level contextual factors are modeled ordinally.

f

Presented as quintiles for descriptive purposes only. Analyzed continuously.

g

Based on direct measurement