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Table 4 Crude and adjusted odds ratios of factors associated with dating app users reporting an increased number of sexual partners since using dating apps (N = 448)

From: Motivations, dating app relationships, unintended consequences and change in sexual behaviour in dating app users at an Australian music festival

Dating app users reporting an increased number of sexual partners since using dating apps Yes (N = 80) No (N = 356) Crude odds ratios Model 1—socio-demographics Model 2—socio-demographics + dating app length + STI Model 2—socio-demographics + dating app length + STI + condom use
n (%) n (%) Odds ratio 95% CI P value Odds ratio 95% CI P value Odds ratio 95% CI P value Odds ratio 95% CI P value
Age
18–20 20 (10.8) 166 (89.2) 1 1 1 1
21–24 46 (22.0) 163 (78.0) 2.3 1.3–4.1 0.0033 2.1 1.2–3.8 0.0110 1.7 0.93–3.3 0.0813 1.6 0.8–3.2 0.1430
25–30 14 (34.2) 27 (65.8) 4.3 1.9–9.5 0.0003 4.0 1.7–9.1 0.0009 3.3 1.4–7.9 0.0062 2.5 0.96–6.5 0.0602
Gender
Male 44 (15.5) 240 (84.5) 1.7 1.0–2.8 0.0364 1.8 1.1–3.1 0.0263 1.6 0.95–2.8 0.0767 1.5 0.8–2.6 0.1985
Female 36 (23.7) 116 (76.3) 1 1 1 1
Heterosexual
Yes 64 (17.0) 313 (83.0) 1  
No 16 (27.1) 43 (72.9) 1.8 0.96–3.4 0.064
Relationship status
Single and not dating 24 (12.8) 164 (87.2) 1 1 1 1
Casual dating 39 (27.9) 101 (721.1) 2.6 1.5–4.6 0.0008 2.9 1.6–5.2 0.0005 2.4 1.3–4.4 0.0059 2.3 1.2–4.5 0.0127
Exclusive 17 (16.2) 88 (83.8) 1.3 0.7–2.6 0.4188 1.2 0.6–2.4 0.6029 1.0 0.51–2.2 0.9008 1.3 0.6–2.09 0.497
Period of dating app usage
Less than 6 months 17 (19.1) 72 (80.9) 1 1 1
6–12 months 6 (8.0) 69 (92.0)             
1–2 years 14 (11.4) 109 (88.6)             
More than 2 years 43 (29.9) 101 (70.1) 2.9 1.8–4.7  < 0.0001 2.0 1.2–3.5 0.0121 2.1 1.2–3.8 0.0136
Had STI after engaging in sexual activity with a person met via a dating app
Yes 13 (35.1) 24 (64.9) 2.7 1.3–5.5 < 0.0001 2.4 1.1–5.1 0.0287 1.9 0.86–4.3 0.1145
No 65 (16.9) 319 (83.1) 1 1 1
STI discussion with new sexual partner met via dating app
Always 11 (21.2) 41 (78.8) 1.2 0.5–2.6 0.7264
Often 12 (30.0) 28 (70.0) 1.8 0.8–4.2 0.1405
Sometimes 29 (27.6) 76 (72.4) 1.6 0.9–3.1 0.1189
Never 23 (18.9) 99 (81.1) 1
Condom use with new sexual partner met via dating app
Always 20 (16.8) 99 (83.2) 1 1 1 1
Often 24 (34.8) 45 (65.2) 2.6 1.3–5.3 0.0058 1.9 1.0–3.7 0.041
Sometimes 24 (27.6) 63 (72.4) 1.9 0.96–3.7 0.0644          
Never 6 (14.0) 37 (86.0) 0.8 0.3–2.2 0.6627 0.64 0.21–1.9 0.4254
  1. Bold means statistically significant