Associations between intending to completely stop any sexual contact and sociodemographic characteristics and motivational message, by sample
| Participant characteristics | Level | General population | Grindr | ||
| aOR (95% CI) | P value | aOR (95% CI) | P value | ||
| Gender | Male (including transman) | Ref | – | – | – |
| Female (including transwoman) | 1.90 (1.48 to 2.45) | <0.001* | – | – | |
| Sexual orientation | Straight or heterosexual | Ref | – | – | – |
| Gay, lesbian, bisexual or queer | 0.91 (0.58 to 1.41) | 0.67 | – | – | |
| Age | Range 18–98 years | 1.04 (1.03 to 1.05) | <0.001* | 1.01 (0.98 to 1.04) | 0.53 |
| Quadratic term (age–mean)2 | 1.000 (0.999 to 1.001) | 0.87 | 1.000 (0.998 to 1.001) | 0.71 | |
| Region | Midlands (East and West) | Ref | – | Ref | – |
| South (East, West, East of England) | 1.08 (0.76 to 1.54) | 0.67 | 1.18 (0.38 to 3.66) | 0.77 | |
| North (East, West, Yorkshire and the Humber) | 1.14 (0.79 to 1.66) | 0.49 | 1.48 (0.35 to 6.21) | 0.58 | |
| London | 1.17 (0.73 to 1.86) | 0.52 | 0.94 (0.27 to 3.25) | 0.92 | |
| Devolved nations (Scotland, Wales and Northern Ireland) | 1.26 (0.79 to 2.01) | 0.33 | 1.26 (0.31 to 5.15) | 0.74 | |
| Dependent child in household | No | Ref | – | Ref | – |
| Yes | 0.97 (0.72 to 1.29) | 0.82 | 0.37 (0.11 to 1.28) | 0.12 | |
| Employment status | Not working | Ref | – | Ref | – |
| Working | 1.22 (0.90 to 1.66) | 0.20 | 0.92 (0.39 to 2.18) | 0.85 | |
| Frontline health or social care worker | No | Ref | – | Ref | – |
| Yes | 0.97 (0.67 to 1.39) | 0.86 | 1.77 (0.67 to 4.65) | 0.25 | |
| Education | GCSE/vocational/A-level/no formal qualifications | Ref | – | Ref | – |
| Degree or higher (Bachelors, Masters, PhD) | 0.96 (0.73 to 1.27) | 0.79 | 1.87 (0.97 to 3.59) | 0.06 | |
| Ethnicity | White British | Ref | – | Ref | – |
| White other | 0.47 (0.26 to 0.84) | 0.01 | 0.84 (0.35 to 2.06) | 0.71 | |
| Black, Asian, other minoritised ethnicity | 0.85 (0.56 to 1.27) | 0.42 | 0.36 (0.15 to 0.85) | 0.02 | |
| Marital status | Not partnered | Ref | – | Ref | – |
| Partnered | 0.90 (0.65 to 1.24) | 0.50 | 1.11 (0.51 to 2.41) | 0.79 | |
| Live alone | Live with someone else | Ref | – | Ref | – |
| Live alone | 1.16 (0.77 to 1.73) | 0.48 | 1.12 (0.56 to 2.23) | 0.75 | |
| Own chronic illness | None | Ref | – | Ref | – |
| Present | 0.97 (0.72 to 1.31) | 0.85 | 1.10 (0.53 to 2.27) | 0.80 | |
| Ever taken PrEP for HIV | No | – | – | Ref | – |
| Yes | – | – | 1.36 (0.69 to 2.71) | 0.37 | |
| Vaccinated for smallpox in 2022 | Not vaccinated | – | – | Ref | – |
| Vaccinated | – | – | 0.71 (0.33 to 1.50) | 0.37 | |
| Index of Multiple Deprivation | Deciles (1st=most deprived, 10th=least deprived) | 1.00 (0.96 to 1.06) | 0.85 | 1.01 (0.86 to 1.19) | 0.88 |
| Socioeconomic grade | ABC1 | Ref | – | Ref | – |
| C2DE | 1.13 (0.86 to 1.49) | 0.39 | 4.15 (1.45 to 11.85) | 0.008 | |
| Financial hardship | 4 (lowest hardship) to 13 (most hardship) | 0.85 (0.80 to 0.90) | <0.001* | 0.89 (0.74 to 1.07) | 0.21 |
| Total no of sexual partners (male and female) in last 3 weeks | 0 | Ref | – | – | – |
| 1 | 0.83 (0.59 to 1.18) | 0.30 | – | – | |
| 2–4 | 0.68 (0.39 to 1.18) | 0.17 | – | – | |
| 5 or more | 0.37 (0.14 to 0.96) | 0.04 | – | – | |
| Prefer not to say | 0.45 (0.32 to 0.64) | <0.001* | – | – | |
| No of male sexual partners in last 3 weeks | 0 | – | – | Ref | – |
| 1 | – | – | 0.52 (0.18 to 1.46) | 0.21 | |
| 2–4 | – | – | 0.38 (0.14 to 0.98) | 0.05 | |
| 5–9 | – | – | 0.21 (0.07 to 0.65) | 0.007 | |
| 10 or more | – | – | 0.20 (0.06 to 0.72) | 0.01 | |
| Prefer not to say | – | – | 0.30 (0.08 to 1.11) | 0.07 | |
| Motivational message | Perceived risk of illness and necessity and efficacy of the response | 1.37 (0.97 to 1.93) | 0.08 | – | – |
| Perceived risk of illness and benefits of the response | 1.07 (0.76 to 1.49) | 0.70 | – | – | |
| Perceived risk of illness and low perceived costs of response | 1.10 (0.79 to 1.55) | 0.57 | – | – | |
| Control | Ref | – | – | – | |
| Motivational message | All motivational components | – | – | 1.43 (0.80 to 2.54) | 0.23 |
| Control | – | – | Ref | – | |
Variables were entered into the logistic regression model in blocks (block 1: sociodemographic variables and motivational message, block 2: psychological factors). Results for block 2, using pooled estimates are reported.
*p≤0.001.
aOR, adjusted Odds Ratio; GCSE, General Certificate of Secondary Education; PrEP, pre-exposure prophylaxis.