Table 2

Association between nAMD, tAMD and PCV, and vision-related quality of life using multivariable regression models

 ReadingMobilityEmotional
β, 95% CIPer cent changeβ, 95% CIPer cent changeβ, 95% CIPer cent change
Control (reference)5.09±0.194.70±0.154.90±0.25
nAMD−1.08 (−1.58 to −0.57)22.22−0.74 (−1.14 to −0.33)15.74−2.15 (−2.83 to −1.47)43.88*
Control (reference)5.19±0.184.74±0.124.74±0.32
tAMD†−1.01 (−1.63 to −0.39)19.73−0.58 (−1.05 to −0.12)12.24−1.86 (−2.66 to −1.07)37.80
Control (reference)5.19±0.184.76±0.144.69±0.33
PCV−1.14 (−1.69 to −0.59)21.97−0.85 (−1.30 to −0.39)17.86−2.31 (−3.06 to −1.56)49.25§
Vision impairment
 None or mild (<0.5 LogMAR)4.67±0.134.48±0.144.08±0.24
 Moderate (≥0.5 LogMAR<1.0)−1.31 (−2.10 to −0.52)28.05−0.73 (−1.36 to −0.10)16.55−0.18 (−1.25 to 0.88)4.88
 Severe (≥1.0 LogMAR)−1.75 (−2.79 to −0.70)37.47−1.39 (−2.22 to −0.55)31.52−0.90 (−2.31 to 0.52)24.39
Age (years)
 40–49 (reference)3.50±0.473.53±0.382.10±0.63
 50–590.99 (−0.06 to 2.04)28.290.71 (−0.13 to 1.55)20.111.66 (0.26 to 3.07)79.05
 60–691.07 (0.08 to 2.06)30.570.81 (0.02 to 1.59)22.951.31 (−0.12 to 2.62)62.38
 70–801.00 (−0.05 to 2.04)28.570.86 (0.03 to 1.69)24.361.98 (0.58 to 3.38)94.29
 80+0.56 (−0.89 to 2.01)16.000.34 (−0.81 to 1.50)9.631.95 (0.01 to 3.89)92.86
Gender
 Male (reference)4.34±0.154.24±0.123.55±0.20
 Female0.29 (−0.25 to 0.82)6.680.06 (−0.37 to 0.48)1.420.23 (−0.49 to 0.95)6.48
Income
 <$1000 (reference)4.33±0.164.13±0.123.40±0.21
 $1000 to <20000.54 (−0.11 to 1.19)12.470.63 (−0.12 to 1.13)15.250.70 (−0.14 to 1.55)20.59
 $2000 to <30000.02 (−0.96 to 0.99)0.46−0.39 (−1.15 to 0.37)9.440.52 (−0.76 to 1.79)15.29
 ≥$30000.20 (−0.62 to 1.03)4.620.39 (−0.26 to 1.03)9.440.54 (−0.54 to 1.61)15.88
Can read
 No (reference)4.31±0.755.07±0.095.60±1.01
 Yes0.15 (−1.40 to 1.70)3.48−0.85 (−2.08 to 0.39)16.77−2.09 (−4.18 to 0.01)37.32
Can write
 No (reference)4.08±0.643.25±0.512.03±0.86
 Yes0.40 (−0.95 to 1.74)9.801.10 (0.03 to 2.17)33.851.73 (−0.07 to 3.54)85.22
Currently driving
 No (reference)4.32±0.144.25±0.113.44±0.19
 Yes0.40 (−0.14 to 0.93)9.260.06 (−0.37 to 0.48)1.410.57 (−0.15 to 1.29)16.57
Hypertension
 No (reference)4.62±0.164.27±0.133.67±0.22
 Yes−0.34 (−0.80 to 0.12)7.36−0.01 (−0.38 to 0.36)0.23−0.08 (−0.70 to 0.54)2.18
  • Bold coefficients represent independent variables significantly associated with reading, mobility or emotional scores (p<0.05).

  • *p Value for the difference in magnitude between β coefficients for emotional and mobility =0.016.

  • †p Value for the difference in magnitude between β coefficients for tAMD and PCV were 0.769, 0.449 and 0.448 for reading, mobility and emotional, respectively.

  • ‡p Value for the difference in magnitude between β coefficients for emotional and mobility <0.001; and emotional and reading =0.015.

  • §p Value for the difference in magnitude between β coefficients for emotional and mobility <0.001; and emotional and reading =0.001.

  • ¶p Value for the difference in magnitude between β coefficients for reading and mobility =0.024; and reading and emotional =0.015.

  • LogMAR, logarithm of the minimum angle of resolution; nAMD, neovascular age-related macular degeneration; PCV, polypoidal choroidal vasculopathy; tAMD, typical AMD.