Table 2.

Crude and adjusted odd ratios of agreement in reporting information.

Exposure variable		Crude odds ratio (95% CI)	P value	Adjusted odds ratio (95% CI)a	P value
Method of initial assessment
	Call	1 (referenceb)	⁠—b	1 (reference)	⁠—b
	SMS text message	0.29 (0.11-0.75)	.01	0.22 (0.08-0.61)	.004
	Secure web form	0.58 (0.21-1.57)	.28	0.50 (0.17-1.43)	.20
Ever attended a clinic?
	Yes	1 (reference)	⁠—b	1 (reference)	⁠—b
	No	2.21 (0.81-6.07)	.12	—d	⁠—d
Gender
	Female	1 (reference)	⁠—b	1 (reference)	⁠—b
	Male	2.66 (1.19-5.93)	.02	2.75 (1.16-6.56)	.02
Age (years)
	18-19	1 (reference)	⁠—b	1 (reference)	⁠—b
	20-24	1.68 (0.52-5.40)	.38	—d	—d
	25-29	2.10 (0.58-7.55)	.26	—d	⁠—d
	30-34	1.31 (0.32-5.32)	.70	—d	⁠—d
	35+	1.25 (0.25-6.29)	.78	—d	⁠—d
Ethnicity
	White	1 (reference)	⁠—b	1 (reference)	⁠—b
	Black British/Caribbean/African	0.87 (0.37-2.05)	.74	— d	⁠—d
	Asian/Asian British	1.31 (0.15-11.66)	.81	—d	⁠—d
	Mixed/multiple groups	0.56 (0.19-1.71)	.31	—d	⁠—d
	Other/prefer not to say	3.19 (0.39-26.26)	.28	—d	⁠—d
Sexuality
	Heterosexual	1 (reference)	⁠—b	1 (reference)	⁠—b
	Homosexual	0.69 (0.07-6.45)	.75	0.34 (0.03-3.65)	.37
	Bisexual	0.23 (0.07-0.72)	.01	0.19 (0.06-0.66)	.009
	Prefer not to say	—c	—c	—c	—c
Index of multiple deprivation q uintile
	1 (most deprived)	1 (reference)	⁠—b	1 (reference)	⁠—b
	2	1.10 (0.47-2.56)	.83	—d	—d
	3	3.33 (0.70-15.90)	.13	—d	—d
	4	0.36 (0.10-1.28)	.13	—d	—d
	5 (least deprived)	—c	—c	—d	—d

^aOnly variables where crude odds ratios were found to be significant (P<.05) were carried into the multivariable model.

^bReference group.

^cNot applicable, as variable was not carried into the multivariable model.

^dNot applicable, as no sample participants within these categories.