Table 1. Open in new tab...

Characteristic, n (%)	All patients		BSTI Diagnosis^a	Final HIV and PrEP Use Status^b
No. of patients	19 232		16 114		3118			2968		14 633		1631
Age at entry to cohort, y							<.0001							<.0001
12–17	47	0.2	39	0.24	8	0.26		0	0.0	24	0.16	0	0.0
18–24	4195	21.8	3431	21.3	764	24.5		113	3.8	2503	17.1	190	11.7
25–34	6355	33.0	5173	32.1	1182	37.9		535	18.0	4879	33.3	718	44.0
35–44	4601	23.9	3828	23.76	773	24.79		726	24.5	2836	19.4	368	22.6
45+	4034	21.0	3643	22.6	391	12.5		1594	53.7	4391	30.0	355	21.8
Race							<.0001							<.0001
White	13 917	72.4	11749	72.9	2168	69.5		2090	70.4	10 628	72.6	1199	73.5
Black	1153	6.0	896	5.6	257	8.2		292	9.8	771	5.3	90	5.5
Latino	1179	6.1	945	5.9	234	7.5		249	8.4	848	5.8	82	5.0
Asian	897	4.7	772	4.8	125	4.0		87	2.9	735	5.0	75	4.6
Multiracial/other	1112	5.8	845	5.2	267	8.6		225	7.6	725	5.0	162	9.9
Not reported	974	5.1	907	5.6	67	2.2		25	0.8	926	6.3	23	1.4
Sexual orientation							<.0001							<.0001
Gay	8201	42.6	6407	39.8	1794	57.5		1464	49.3	5546	37.9	1191	73.0
Bisexual	615	3.2	523	3.3	92	3.0		70	2.4	497	3.4	48	2.9
Don’t know/other	323	1.7	255	1.6	68	2.2		60	2.0	226	1.5	37	2.3
Not reported	10 093	52.5	8929	55.4	1164	37.3		1374	46.3	8364	57.2	355	21.8
Insurance							<.0001							<.0001
Private	11 861	61.7	9571	59.4	2290	73.4		1533	51.7	8842	60.4	1486	91.1
Medicare	1044	5.4	908	5.6	136	4.4		487	16.4	530	3.6	27	1.7
Medicaid	886	4.6	680	4.2	206	6.6		342	11.5	497	3.4	47	2.9
None	1615	8.4	1479	9.2	136	4.4		286	9.6	1307	8.9	22	1.4
Other	751	3.9	594	3.7	157	5.0		201	6.8	502	3.4	48	2.9
Unknown	3075	16.0	2882	17.9	193	6.2		119	4.0	2955	20.2	1	0.1

Characteristic, n (%)

All patients

BSTI Diagnosis^a

Final HIV and PrEP Use Status^b

Never

Ever

P Value

HIV+

HIV- No PrEP

HIV-
PrEP

P Value

No. of patients

19 232

16 114

3118

2968

14 633

1631

Age at entry to cohort, y

<.0001

12–17

0.2

0.24

0.26

0.0

0.16

0.0

18–24

4195

21.8

3431

21.3

764

24.5

113

3.8

2503

17.1

190

11.7

25–34

6355

33.0

5173

32.1

1182

37.9

535

18.0

4879

33.3

718

44.0

35–44

4601

23.9

3828

23.76

773

24.79

726

24.5

2836

19.4

368

22.6

45+

4034

21.0

3643

22.6

391

12.5

1594

53.7

4391

30.0

355

21.8

Race

<.0001

White

13 917

72.4

11749

72.9

2168

69.5

2090

70.4

10 628

72.6

1199

73.5

Black

1153

6.0

896

5.6

257

8.2

292

9.8

771

5.3

5.5

Latino

1179

6.1

945

5.9

234

7.5

249

8.4

848

5.8

5.0

Asian

897

4.7

772

4.8

125

4.0

2.9

735

5.0

4.6

Multiracial/other

1112

5.8

845

5.2

267

8.6

225

7.6

725

5.0

162

9.9

Not reported

974

5.1

907

5.6

2.2

0.8

926

6.3

1.4

Sexual orientation

<.0001

Gay

8201

42.6

6407

39.8

1794

57.5

1464

49.3

5546

37.9

1191

73.0

Bisexual

615

3.2

523

3.3

3.0

2.4

497

3.4

2.9

Don’t know/other

323

1.7

255

1.6

2.2

2.0

226

1.5

2.3

Not reported

10 093

52.5

8929

55.4

1164

37.3

1374

46.3

8364

57.2

355

21.8

Insurance

<.0001

Private

11 861

61.7

9571

59.4

2290

73.4

1533

51.7

8842

60.4

1486

91.1

Medicare

1044

5.4

908

5.6

136

4.4

487

16.4

530

3.6

1.7

Medicaid

886

4.6

680

4.2

206

6.6

342

11.5

497

3.4

2.9

None

1615

8.4

1479

9.2

136

4.4

286

9.6

1307

8.9

1.4

Other

751

3.9

594

3.7

157

5.0

201

6.8

502

3.4

2.9

Unknown

3075

16.0

2882

17.9

193

6.2

119

4.0

2955

20.2

0.1

Characteristic, n (%)	All patients		BSTI Diagnosis^a	Final HIV and PrEP Use Status^b
No. of patients	19 232		16 114		3118			2968		14 633		1631
Age at entry to cohort, y							<.0001							<.0001
12–17	47	0.2	39	0.24	8	0.26		0	0.0	24	0.16	0	0.0
18–24	4195	21.8	3431	21.3	764	24.5		113	3.8	2503	17.1	190	11.7
25–34	6355	33.0	5173	32.1	1182	37.9		535	18.0	4879	33.3	718	44.0
35–44	4601	23.9	3828	23.76	773	24.79		726	24.5	2836	19.4	368	22.6
45+	4034	21.0	3643	22.6	391	12.5		1594	53.7	4391	30.0	355	21.8
Race							<.0001							<.0001
White	13 917	72.4	11749	72.9	2168	69.5		2090	70.4	10 628	72.6	1199	73.5
Black	1153	6.0	896	5.6	257	8.2		292	9.8	771	5.3	90	5.5
Latino	1179	6.1	945	5.9	234	7.5		249	8.4	848	5.8	82	5.0
Asian	897	4.7	772	4.8	125	4.0		87	2.9	735	5.0	75	4.6
Multiracial/other	1112	5.8	845	5.2	267	8.6		225	7.6	725	5.0	162	9.9
Not reported	974	5.1	907	5.6	67	2.2		25	0.8	926	6.3	23	1.4
Sexual orientation							<.0001							<.0001
Gay	8201	42.6	6407	39.8	1794	57.5		1464	49.3	5546	37.9	1191	73.0
Bisexual	615	3.2	523	3.3	92	3.0		70	2.4	497	3.4	48	2.9
Don’t know/other	323	1.7	255	1.6	68	2.2		60	2.0	226	1.5	37	2.3
Not reported	10 093	52.5	8929	55.4	1164	37.3		1374	46.3	8364	57.2	355	21.8
Insurance							<.0001							<.0001
Private	11 861	61.7	9571	59.4	2290	73.4		1533	51.7	8842	60.4	1486	91.1
Medicare	1044	5.4	908	5.6	136	4.4		487	16.4	530	3.6	27	1.7
Medicaid	886	4.6	680	4.2	206	6.6		342	11.5	497	3.4	47	2.9
None	1615	8.4	1479	9.2	136	4.4		286	9.6	1307	8.9	22	1.4
Other	751	3.9	594	3.7	157	5.0		201	6.8	502	3.4	48	2.9
Unknown	3075	16.0	2882	17.9	193	6.2		119	4.0	2955	20.2	1	0.1

Table 1.

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Sociodemographic Characteristics of Men Accessing Primary Care at a Boston Community Health Center

Characteristic, n (%)	All patients		BSTI Diagnosis^a					Final HIV and PrEP Use Status^b
Characteristic, n (%)	All patients		Never		Ever		P Value	HIV+		HIV- No PrEP		HIV- PrEP		P Value
No. of patients	19 232		16 114		3118			2968		14 633		1631
Age at entry to cohort, y							<.0001							<.0001
12–17	47	0.2	39	0.24	8	0.26		0	0.0	24	0.16	0	0.0
18–24	4195	21.8	3431	21.3	764	24.5		113	3.8	2503	17.1	190	11.7
25–34	6355	33.0	5173	32.1	1182	37.9		535	18.0	4879	33.3	718	44.0
35–44	4601	23.9	3828	23.76	773	24.79		726	24.5	2836	19.4	368	22.6
45+	4034	21.0	3643	22.6	391	12.5		1594	53.7	4391	30.0	355	21.8
Race							<.0001							<.0001
White	13 917	72.4	11749	72.9	2168	69.5		2090	70.4	10 628	72.6	1199	73.5
Black	1153	6.0	896	5.6	257	8.2		292	9.8	771	5.3	90	5.5
Latino	1179	6.1	945	5.9	234	7.5		249	8.4	848	5.8	82	5.0
Asian	897	4.7	772	4.8	125	4.0		87	2.9	735	5.0	75	4.6
Multiracial/other	1112	5.8	845	5.2	267	8.6		225	7.6	725	5.0	162	9.9
Not reported	974	5.1	907	5.6	67	2.2		25	0.8	926	6.3	23	1.4
Sexual orientation							<.0001							<.0001
Gay	8201	42.6	6407	39.8	1794	57.5		1464	49.3	5546	37.9	1191	73.0
Bisexual	615	3.2	523	3.3	92	3.0		70	2.4	497	3.4	48	2.9
Don’t know/other	323	1.7	255	1.6	68	2.2		60	2.0	226	1.5	37	2.3
Not reported	10 093	52.5	8929	55.4	1164	37.3		1374	46.3	8364	57.2	355	21.8
Insurance							<.0001							<.0001
Private	11 861	61.7	9571	59.4	2290	73.4		1533	51.7	8842	60.4	1486	91.1
Medicare	1044	5.4	908	5.6	136	4.4		487	16.4	530	3.6	27	1.7
Medicaid	886	4.6	680	4.2	206	6.6		342	11.5	497	3.4	47	2.9
None	1615	8.4	1479	9.2	136	4.4		286	9.6	1307	8.9	22	1.4
Other	751	3.9	594	3.7	157	5.0		201	6.8	502	3.4	48	2.9
Unknown	3075	16.0	2882	17.9	193	6.2		119	4.0	2955	20.2	1	0.1

Characteristic, n (%)	All patients		BSTI Diagnosis^a					Final HIV and PrEP Use Status^b
Characteristic, n (%)	All patients		Never		Ever		P Value	HIV+		HIV- No PrEP		HIV- PrEP		P Value
No. of patients	19 232		16 114		3118			2968		14 633		1631
Age at entry to cohort, y							<.0001							<.0001
12–17	47	0.2	39	0.24	8	0.26		0	0.0	24	0.16	0	0.0
18–24	4195	21.8	3431	21.3	764	24.5		113	3.8	2503	17.1	190	11.7
25–34	6355	33.0	5173	32.1	1182	37.9		535	18.0	4879	33.3	718	44.0
35–44	4601	23.9	3828	23.76	773	24.79		726	24.5	2836	19.4	368	22.6
45+	4034	21.0	3643	22.6	391	12.5		1594	53.7	4391	30.0	355	21.8
Race							<.0001							<.0001
White	13 917	72.4	11749	72.9	2168	69.5		2090	70.4	10 628	72.6	1199	73.5
Black	1153	6.0	896	5.6	257	8.2		292	9.8	771	5.3	90	5.5
Latino	1179	6.1	945	5.9	234	7.5		249	8.4	848	5.8	82	5.0
Asian	897	4.7	772	4.8	125	4.0		87	2.9	735	5.0	75	4.6
Multiracial/other	1112	5.8	845	5.2	267	8.6		225	7.6	725	5.0	162	9.9
Not reported	974	5.1	907	5.6	67	2.2		25	0.8	926	6.3	23	1.4
Sexual orientation							<.0001							<.0001
Gay	8201	42.6	6407	39.8	1794	57.5		1464	49.3	5546	37.9	1191	73.0
Bisexual	615	3.2	523	3.3	92	3.0		70	2.4	497	3.4	48	2.9
Don’t know/other	323	1.7	255	1.6	68	2.2		60	2.0	226	1.5	37	2.3
Not reported	10 093	52.5	8929	55.4	1164	37.3		1374	46.3	8364	57.2	355	21.8
Insurance							<.0001							<.0001
Private	11 861	61.7	9571	59.4	2290	73.4		1533	51.7	8842	60.4	1486	91.1
Medicare	1044	5.4	908	5.6	136	4.4		487	16.4	530	3.6	27	1.7
Medicaid	886	4.6	680	4.2	206	6.6		342	11.5	497	3.4	47	2.9
None	1615	8.4	1479	9.2	136	4.4		286	9.6	1307	8.9	22	1.4
Other	751	3.9	594	3.7	157	5.0		201	6.8	502	3.4	48	2.9
Unknown	3075	16.0	2882	17.9	193	6.2		119	4.0	2955	20.2	1	0.1

Abbreviations: BSTI, bacterial sexually transmitted infection; PrEP, pre-exposure prophylaxis.

^a2005–2015.

^bHIV status and PrEP use defined on the date of last patient contact during the study period.

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