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Non-attendance of appointments at the orthodontic clinic

Carmen Au
Carmen Au
, 
Jingyi Li
Jingyi Li
, 
Liying Jin
Liying Jin
, 
Tianyou Wu
Tianyou Wu
, 
Guangzhao Guan
Guangzhao Guan
 oraz 
Li Mei
Li Mei
   | 12 lut 2024
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Data publikacji: 12 lut 2024
Zakres stron: 185 - 193
Otrzymano: 01 lip 2023
Przyjęty: 01 paź 2023
DOI: https://doi.org/10.2478/aoj-2023-0035
© 2023 Carmen Au et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Distribution of demographic and time characteristics, treatment and odds ratios (OR) for appointment status (N = 2,009) in 2019

Variable Attended % (N) FTA % (N) FTA OR (95% CI) P-value
Overall (appointments) 87.1% (2657) 12.9% (392) –
Ethnicity
  NZ European 92.8% (1275) 7.2% (99) 1.22 (0.81-1.84) 0.34
  Māori/Pasifika 87.3% (145) 12.7% (21) 0.66 (0.37-1.17) 0.15
  Asian 90.9% (80) 9.1% (8) 0.95 (0.42-2.13) 0.90
  Others 91.3% (348) 8.7% (33) 1
Gender
  Male 92.0% (826) 8.0% (72) 1.00 (0.72-1.38) 1.00
  Female 92.0% (1022) 8.0% (89) 1
Age group
  <12 90.7% (546) 9.3% (56) 0.89 (0.11-6.99) 0.91
  13-18 93.3% (945) 6.7% (68) 1.26 (0.16-9.93) 0.82
  19-25 89.8% (229) 10.2% (26) 0.80 (0.01-6.45) 0.84
  26-49 92.7% (102) 7.3% (8) 1.16 (0.13-10.15) 0.89
  50-64 88.2% (15) 11.8% (2) 0.68 (0.06-8.50) 0.76
  65+ 91.7% (11) 8.3% (1) 1
Suburb index
  <900 92.9% (13) 7.1% (1) 0.72 (0.09-5.85) 0.76
  901-950 93.6% (654) 6.4% (45) 0.81 (0.47-1.40) 0.46
  951-1000 91.2% (385) 8.8% (37) 0.58 (0.33-1.02) 0.06
  1001 + 88.3% (439) 11.7% (58) 0.42 (0.25-0.72) 0.00
  Others 94.7% (357) 5.3% (20) 1
Notification
  Yes 87.3% (2477) 12.7 (358) 1.26 (0.86-1.86) 0.23
  No 84.5% (180) 15.5% (33) 1
  SMS 88.1% (2001) 11.9% (271) 0.74 (0.50-1.09) 0.03
  Letter 82.8% (82) 17.2% (17) 1.13 (0.60-2.14) 0.71
  None 84.5% (180) 15.5% (33) 1
Time of day
  Morning 85.8% (386) 14.2% (64) 0.60 (0.40-0.91) 0.03
  After noon 88.9% (442) 11.1% (55) 1
Day
  Monday 83.2% (663) 16.8% (97) 0.98 (0.71- 1.34) 0.49
  Tuesday 87.7% (455) 12.3% (64) 0.94 (0.662- 1.33) 0.73
  Wednesday 87.6% (572) 12.4% (96) 1.12 (0.815- 1.54) 0.48
  Thursday 88.7% (425) 11.3% (54) 0.85 (0.59- 1.23) 0.38
  Friday 87.0% (541) 13.0% (81) 1
Treatment
  Consultation 81.8% (139) 18.2% 31 0.96 (0.39-2.38) 0.92
  Records 86.7% (78) 13.3% (12) 0.66 (0.24-1.83) 0.43
  Bonding 93.8% (196) 6.2% (13) 0.28 (0.11-0.77) 0.01
  Review/adjustment 87.4% (1995) 12.6% (288) 0.62 (0.27-1.42) 0.26
  Debonding 85.7% (6) 14.3% (1) 0.71 (0.07-6.92) 0.77
  Retainer/retention 84.2% (213) 15.8% (40) 0.81 (0.33-1.96) 0.63
  Others 81.1% (30) 18.9% (7) 1

Comparison of attendance between 2013 and 2019

Variable B Std. Error Exp (B) 95% CI P-value
Ethnicity
  NZ European -0.40 0.10 0.67 0.557-0.807 0.00
  Mā ori -0.15 0.27 1.60 0.68-1.98 0.59
  Asian 0.54 0.41 1.71 0.77-3.79 0.19
  Others -0.33 0.37 0.72 0.35-1.48 0.37
Gender
  Male -0.22 0.12 0.81 0.64-1.02 0.07
  Female -0.32 0.11 0.73 0.59-0.91 0.01
Age group
  <12 -0.11 0.24 0.89 0.56-1.43 0.64
  13-18 -0.49 0.10 0.62 0.50-0.75 0.00
  19-25 0.07 0.21 1.01 0.71-1.61 0.76
  26-49 0.29 0.46 1.33 0.54-3.29 0.53
  50-64 -0.19 0.82 0.83 0.17-4.13 0.82
  65+ -0.34 1.53 0.71 0.04-14.35 0.83
Suburb index
  <900 -1.64 0.66 0.19 0.05-0.70 0.01
  901-950 -0.21 0.15 0.81 0.60-1.10 0.17
  951-1000 -0.30 0.17 0.74 0.53-1.04 0.08
  1001+ -0.15 0.16 0.87 0.63-1.19 0.37
  Others -0.57 0.21 1.78 1.18-2.67 0.01
Time of day
  Morning -0.40 0.11 0.67 0.54-0.83 0.00
  Afternoon -0.09 0.13 0.92 0.71-1.19 0.50
Day
  Monday -0.52 0.17 0.60 0.43-0.84 0.00
  Tuesday -0.23 0.21 0.79 0.53-1.19 0.26
  Wednesday 0.01 0.17 1.01 0.73-1.40 0.97
  Thursday -0.50 0.20 0.61 0.41-0.89 0.01
  Friday -0.16 0.20 0.85 0.58-1.26 0.43
Treatment
  Consultation 0.67 0.27 1.01 0.63-1.83 0.81
  Records -0.22 0.58 0.80 0.26-2.49 0.70
  Bonding -1.62 0.87 0.20 0.04-1.09 0.06
  Review/adjustment -0.43 0.10 0.65 0.54-0.79 0.00
  Debonding 0.66 1.18 1.93 0.19-19.39 0.58
  Retainer/retention 0.36 0.23 1.43 0.91-2.25 0.12
  Others 0.42 0.61 1.52 0.46-4.89 0.49
Month
  August -0.62 0.16 0.54 0.40-0.73 0.00
  September -0.26 0.15 0.77 0.58-1.03 0.08
  October -0.05 0.13 0.95 0.74-1.23 0.71

Demographic characteristics of the patients (%, N) in 2013 and 2019

  2013 2019
Male Female Total Male Female Total
New ZealandEuropean 35.8% (681) 47.0% (894) 82.8% (1575) 31.0% (622) 37.4% (752) 68.4% (1374)
Māori/Pasifika 3.5% (66) 3.7% (70) 7.2% (136) 3.3% (67) 4.9% (99) 8.3% (166)
Asian 1.7% (33) 2.0% (38) 3.7% (71) 2.2% (44) 2.2% (44) 4.4% (88)
Others (Latino, Middle Eastern, or unstated) 2.6% (49) 3.7% (70) 6.3% (119) 8.2% (165) 10.8% (216) 19.0% (381)
Total 43.6% (829) 56.4% (1072) 100% (1901) 44.7% (898) 55.3% (1111) 100% (2009)

Age categories of the patients (%, N) in 2013 and 2019

2013 2019
Age(Years) Male Female Total Male Female Total
< 12 8.3% (157) 13.2% (250) 21.4% (407) 13.8% (277) 16.2% (325) 30.0% (602)
13-18 29.7% (565) 33.1% (629) 62.8% (1194) 23.2% (466) 27.2% (547) 50.4% (1013)
19-25 4.1% (78) 6.8% (129) 10.9% (207) 5.4% (108) 7.3% (147) 12.7% (255)
26-49 0.9% (18) 2.5% (48) 3.5% (66) 1.8% (37) 3.6% (73) 5.5% (110)
50-64 0.4% (7) 0.7% (14) 1.1% (21) 0.3% (6) 0.5% (11) 0.8% (17)
65+ 0.2% (4) 0.1% (2) 0.3% (6) 0.2% (4) 0.4% (8) 0.6% (12)
Total 43.6% (829) 56.4% (1072) 100% (1901) 44.7% (898) 55.3% (1111) 100% (2009)

Distribution of demographic and time characteristics, treatment and odds ratios (OR) for appointment status (N = 1,901) in 2013

Variable Attended %(N) FTA %(N) FTA OR (95% CI) P-value
Overall 83.9% (1594) 16.1% (306) –
Ethnicity
  NZ European 83.4% (1314) 16.5% (260) 0.90 (0.54-1.51) 0.70
  Māori/Pasifika 86.0% (117) 14.0% (19) 1.10 (0.55-2.20) 0.79
  Asian 87.3% (62) 12.7% (9) 1.23 (0.52-2.90) 0.64
  Others 84.9% (101) 15.1% (18) 1
Gender
  Male 82.5% (684) 17.5% (145) 0.83 (0.65-1.07) 0.15
  Female 85.0% (911) 15.0% (161) 1
Age group
  <12 86.0% (350) 14.0% (57) 1.23 (0.14-10.70) 0.85
  13-18 83.2% (993) 16.8% (201) 0.99 (0.12-8.50) 0.99
  19-25 81.6% (169) 18.4% (38) 0.89 (0.10-7.84) 0.92
  26-49 89.4% (59) 10.6% (7) 1.69 (0.17-16.57) 0.65
  50-64 85.7% (18) 14.3% (3) 0.89 (0.10-14.20) 0.20
  65+ 83.3.% (5) 16.7% (1) 1
Suburb index
  <900 72.2% (13) 27.8% (5) 0.62 (0.21-1.83) 0.39
  901-950 86.2% (676) 13.8% (108) 1.50 (1.05-2.15) 0.03
  951-1000 82.2% (341) 17.8% (74) 1.11 (0.75-1.63) 0.61
  1001+ 84.0% (336) 16.0% (64) 1.26 (0.85-1.88) 0.25
  Others 80.6% (229) 19.4% (55) 1
Time of day
  Morning 84.0% (561) 16.0% (107) 0.99 (0.77-1.28) 0.45
  Afternoon 87.9% (1034) 12.1% (199) 1
Day
  Monday 80.1% (278) 19.9% (69) 0.68 (0.45-1.03) 0.07
  Tuesday 85.0% (271) 15.0% (48) 0.95 (0.61-1.48) 0.83
  Wednesday 85.7% (444) 14.3% (74) 1.01 (0.68-1.51) 0.96
  Thursday 82.7% (335) 17.3% (70) 0.81 (0.54-1.21) 0.30
  Friday 85.6% (267) 14.4% (45) 1
Treatment
  Consultation 82.6% (161) 17.4% (34) 0.73 (0.29-1.86) 0.51
  Records 83.9% (26) 16.1% (5) 0.80 (0.22-2.90) 0.73
  Bonding 75.0% (6) 25.0% (2) 0.46 (0.08-2.84) 0.40
  Review/adjustment 81.9% (929) 18.1% (205) 0.70 (0.29-1.67) 0.42
  Debonding 92.1% (58) 7.9% (5) 1.79 (0.51-6.26) 0.37
  Retainer/retention 88.4% (374) 11.6% (49) 1.17 (0.47-2.92) 0.73
  Others 86.7% (39) 13.3% (6) 1
Month
  August 80.3% (392) 19.7% (96) 0.70 (0.52-0.95) 0.02
  September 84.9% (585) 15.1% (104) 0.97 (0.72-1.29) 0.81
  October 85.4% (618) 14.6% (106) 1

Comparison of non-attendance between 2013 and 2019

Variable B Std. Error Exp (B) 95% CI P-value
Ethnicity
  NZ European 0.40 0.10 1.49 1.24-1.80 0.00
  Māori -0.15 0.27 0.86 0.51-1.48 0.59
  Asian -0.54 0.41 0.59 0.26-1.30 0.19
  Others 0.33 0.37 1.39 0.67-2.78 0.37
Gender
  Male 0.22 0.12 1.24 0.98-1.57 0.07
  Female 0.32 0.11 1.37 1.10-1.72 0.01
Age group
  <12 0.11 0.24 1.12 0.70-1.79 0.64
  13-18 0.49 0.10 1.63 1.33-2.00 0.00
  19-25 -0.07 0.21 0.94 0.62-1.41 0.76
  26-49 -0.29 0.46 0.75 0.30-1.85 0.53
  50-64 0.19 0.82 1.21 0.24-6.04 0.82
  65+ -18.74 0.00 — — —
Suburb index
  <900 1.64 0.66 5.17 1.43-18.69 0.01
  901-950 0.21 0.15 1.23 0.91-1.66 0.17
  951-1000 0.30 0.17 1.35 0.97-1.90 0.08
  1001+ 0.15 0.16 1.16 0.84-1.59 0.37
  Others 0.57 0.21 1.78 1.18-2.67 0.01
Time of day
  Morning 0.40 0.11 1.50 1.21-1.84 0.00
  Afternoon 0.09 0.13 1.09 0.84-1.42 0.50
Day
  Monday 0.52 0.17 1.68 1.20-2.35 0.00
  Tuesday 0.23 0.21 1.26 0.84-1.89 0.26
  Wednesday -0.01 0.17 0.99 0.72-1.38 0.97
  Thursday 0.50 0.20 1.65 1.12-2.42 0.01
  Friday 0.16 0.20 1.17 0.79-1.73 0.43
Treatment
  Consultation -0.67 0.27 0.94 0.55-1.60 0.81
  Records 0.22 0.58 1.25 0.40-3.88 0.70
  Bonding 1.62 0.87 5.03 0.92-27.40 0.06
  Review/adjustment 0.43 0.10 1.54 1.27-1.87 0.00
  Debonding -0.66 1.18 0.52 0.05-5.19 0.58
  Retainer/retention -0.36 0.23 0.70 0.45-1.09 0.12
  Others -0.42 0.61 0.66 0.20-2.17 0.49
Month
  August 0.62 0.16 1.85 1.36-2.51 0.00
  September 0.26 0.15 1.29 0.97-1.73 0.08
  October 0.05 0.13 1.05 0.81-1.36 0.71
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