Table 3

Adjusted ORs for non-attendance derived from multivariable logistic regression stratified by delivery mode

Prepandemic F2FPandemic F2FAsynchronousSynchronous (telephone)Synchronous (audiovisual)
OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)
Age
 (Decade)0.91 (0.89 to 0.93)0.89 (0.87 to 0.91)0.89 (0.85 to 0.93)0.81 (0.72 to 0.93)1.02 (0.95 to 1.09)
Sex
 FemaleReferenceReferenceReferenceReferenceReference
 Male1.18 (1.10 to 1.26)1.12 (1.03 to 1.21)1.28 (1.12 to 1.46)1.28 (0.90 to 1.82)1.31 (1.06 to 1.63)
Ethnicity
 WhiteReferenceReferenceReferenceReferenceReference
 Asian1.07 (0.88 to 1.30)1.08 (0.79 to 1.47)1.60 (0.94 to 2.75)1.49 (0.31 to 7.11)2.40 (0.99 to 5.82)
 Black1.33 (1.07 to 1.65)1.63 (1.14 to 2.33)1.09 (0.62 to 1.92)2.03 (0.31 to 13.37)4.24 (1.59 to 11.28)
 Other1.48 (1.29 to 1.70)2.02 (1.63 to 2.50)2.61 (1.77 to 3.86)2.28 (0.61 to 8.49)1.48 (0.74 to 2.94)
 Unknown1.71 (1.51 to 1.92)2.51 (2.05 to 3.05)2.92 (2.09 to 4.08)2.09 (0.64 to 6.89)3.39 (1.77 to 6.48)
SES (greater deprivation)
 Per decile decrease1.12 (1.10 to 1.13)1.09 (1.07 to 1.11)1.09 (1.05 to 1.12)1.05 (0.97 to 1.13)1.17 (1.11 to 1.23)
Broadband
 Index0.94 (0.87 to 1.02)1.00 (0.91 to 1.10)0.97 (0.93 to 1.14)0.81 (0.52 to 1.26)1.07 (0.85 to 1.36)
Interpreter
 NoReferenceReferenceReferenceReferenceReference
 Yes0.53 (0.35 to 0.81)1.07 (0.70 to 1.63)1.31 (0.66 to 2.60)3.31 (1.00 to 10.96)0.46 (0.01 to 3.39)
Diabetes mellitus
 NoReferenceReferenceReferenceReferenceReference
 Yes0.87 (0.74 to 1.03)0.56 (0.47 to 0.68)0.46 (0.36 to 0.59)1.41 (0.30 to 6.53)*
Subspecialty
 AdnexalReferenceReference*ReferenceReference
 Cataract1.51 (1.28 to 1.78)1.06 (0.91 to 1.23)*1.31 (0.60 to 2.83)1.12 (0.67 to 1.87)
 General1.37 (1.19 to 1.59)0.50 (0.43 to 0.58)*1.42 (0.64 to 3.13)0.70 (0.55 to 0.90)
 Glaucoma1.68 (1.41 to 1.99)1.00 (0.83 to 1.20)Reference**
 MR2.08 (1.78 to 2.43)1.48 (1.28 to 1.70)2.55 (2.20 to 2.96)**
Certified sight-impaired
 NoReferenceReferenceReferenceReferenceReference
 Yes0.39 (0.22 to 0.70)0.50 (0.28 to 0.89)0.66 (0.15 to 2.84)**
Appointment time
 Early afternoonReferenceReferenceReferenceReferenceReference
 Early morning1.09 (1.01 to 1.17)1.07 (0.98 to 1.17)1.16 (0.98 to 1.37)0.83 (0.51 to 1.35)0.96 (0.75 to 1.24)
 Late morning0.71 (0.60 to 0.83)0.99 (0.85 to 1.15)1.01 (0.81 to 1.26)0.61 (0.27 to 1.39)0.79 (0.55 to 1.15)
 Late afternoon0.63 (0.54 to 0.73)0.56 (0.45 to 0.70)1.20 (0.97 to 1.48)1.64 (1.07 to 2.50)0.64 (0.45 to 0.90)
Previous cancellation
 NoReferenceReferenceReferenceReferenceReference
 By the hospital1.29 (1.16 to 1.43)1.75 (1.58 to 1.94)2.05 (1.70 to 2.48)0.46 (0.25 to 0.84)2.22 (1.65 to 2.98)
 By the patient1.83 (1.59 to 2.09)1.72 (1.45 to 2.03)1.48 (1.18 to 1.86)1.67 (0.81 to 3.46)1.65 (0.92 to 2.97)
  • Effect estimates in bold were statistically significant (see online supplemental table 3 for more information)

  • *Either no cases or very few leading to unstable estimates.

  • F2F, face to face; MR, medical retina; SES, socioeconomic status.