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Table 2 Descriptive statistics

From: Using overbooking to manage no-shows in an Italian healthcare center

Variable

Total

No-Show

Show

Test statistic

Patient’s intrinsic factors

Gender

   

20.56 ***

 Male

45.78%(35,152)

45.78 (35152)

46.11%(30,374)

 

 Female

54.22%(41,629)

56.23%(6137)

53.89%(35,492)

 

Age group

   

224.26 ***

 0–18

4.26%(3268)

4.56%(498)

4.21%(2770)

 

 19–45

35.2%(27,030)

40.35%(4404)

34.35%(22,626)

 

 46–64

37.64%(28,901)

36.78%(4014)

37.78%(24,887)

 

 65–79

20.31%(15,597)

15.9%(1736)

21.04%(13,861)

 

 80+

2.59%(1985)

2.41%(263)

2.61%(1722)

 

Insurance status

   

10.68 **

 NHS

86.31%(66,270)

87.31%(9530)

86.14%(56,740)

 

 Private

13.69%(10,511)

12.69%(1385)

13.86%(9126)

 

Rate of previous cancellations

0.21 ± 0.26

0.19 ± 0.25

0.21 ± 0.26

6.22 ***

Rate of previous no-shows

0.04 ± 0.11

0.05 ± 0.13

0.03 ± 0.1

−14.11 ***

Type of patient

   

443.76 ***

 New patient

37.25%(28,602)

46.28%(5052)

35.75%(23,550)

 

 Returned patient

62.75%(48,179)

53.72%(5863)

64.25%(42,316)

 

Booking confirmation

   

1294.47 ***

 Not confirmed

58.61%(45,005)

74.33%(8113)

56.01%(36,892)

 

 Confirmed

41.39%(31,776)

25.67%(2802)

43.99%(28,974)

 

Type of booking

   

42.05 ***

 Contact center

99.8%(76,629)

99.54%(10,865)

99.85%(65,764)

 

 Web

0.2%(152)

0.46%(50)

0.15%(102)

 

Exogenous factors

    

Day of the week

   

44.49 ***

 Monday

15.61%(11,985)

16.76%(1829)

15.42%(10,156)

 

 Tuesday

16.82%(12,918)

16.56%(1807)

16.87%(11,111)

 

 Wednesday

16.19%(12,432)

15.72%(1716)

16.27%(10,716)

 

 Thursday

16.61%(12,751)

16.68%(1821)

16.59%(10,930)

 

 Friday

16.53%(12,694)

15.62%(1705)

16.68%(10,989)

 

 Saturday

12.22%(9380)

11.64%(1270)

12.31%(8110)

 

 Sunday

6.02%(4621)

7.03%(767)

5.85%(3854)

 

Month of the year

   

46.1 ***

 January

9.72%(7466)

9.73%(1062)

9.72%(6404)

 

 February

10.34%(7940)

10.93%(1193)

10.24%(6747)

 

 March

11.34%(8709)

11.74%(1281)

11.28%(7428)

 

 April

9.69%(7437)

9.69%(1058)

9.68%(6379)

 

 May

11.23%(8619)

10.43%(1138)

11.36%(7481)

 

 June

10.15%(7797)

10.46%(1142)

10.1%(6655)

 

 July

9.74%(7478)

9.69%(1058)

9.75%(6420)

 

 August

5.58%(4285)

5.34%(583)

5.62%(3702)

 

 September

9.47%(7270)

8.84%(965)

9.57%(6305)

 

 October

7.12%(5464)

7.95%(868)

6.98%(4596)

 

 November

3.55%(2726)

2.99%(326)

3.64%(2400)

 

 December

2.07%(1590)

2.21%(241)

2.05%(1349)

 

Year

   

83.09 ***

 2012

28.81%(22,122)

32.24%(3519)

28.24%(18,603)

 

 2013

34.55%(26,530)

34.08%(3720)

34.63%(22,810)

 

 2014

36.64%(28,129)

33.68%(3676)

37.13%(24,453)

 

Time of the day

   

186.99 ***

 6 AM–8 AM

12.02%(9229)

11.66%(1273)

12.08%(7956)

 

 8 AM-1 PM

35.92%(27,582)

31.54%(3443)

36.65%(24,139)

 

 1 PM–8 PM

39.46%(30,299)

40.88%(4462)

39.23%(25,837)

 

 8 PM-2 AM (+1d)

12.6%(9671)

15.91%(1737)

12.05%(7934)

 

Long weekend

   

0.69

 No

85.64%(65,753)

85.9%(9376)

85.59%(56,377)

 

 Yes

14.36%(11,028)

14.1%(1539)

14.41%(9489)

 

Weather forecast

   

0.84

 Clear

63.04%(48,406)

62.69%(6843)

63.1%(41,563)

 

 Rain

24.76%(19,014)

25.1%(2740)

24.71%(16,274)

 

 Storm

12.19%(9361)

12.2%(1332)

12.19%(8029)

 

Text message reminder service

   

20.54 ***

 Not yet activated

75.29%(57,806)

76.86%(8389)

75.03%(49,417)

 

 Activated but not sent

16.04%(12,312)

14.61%(1595)

16.27%(10,717)

 

 Sent

8.68%(6663)

8.53%(931)

8.7%(5732)

 

Factors associated with the examination

No NHS coverage period

   

0.002

 No

90.36%(69,379)

90.34%(9861)

90.36%(59,518)

 

 Yes

9.64%(7402)

9.66%(1054)

9.64%(6348)

 

Contrast agent

   

31.36 ***

 No

75%(57,583)

77.15%(8421)

74.64%(49,162)

 

 Yes

25%(19,198)

22.85%(2494)

25.36%(16,704)

 

Price of the examination

   

6.96 ***

 Insured Patients

0 ± 0

0 ± 0

0 ± 0

 

 Other Patients

258.16 ± 117.44

234.99 ± 110.22

261.67 ± 118.11

 

Waiting list

7.35 ± 7.72

7.92 ± 9.23

7.25 ± 7.44

−7.13 ***

Time allowed

38.43 ± 22.99

38.25 ± 21.29

38.46 ± 23.26

0.35

  1. Descriptive statistics are reported as percentages and number of observations (in parentheses) for categorical variables, as mean ± SD for continuous variables. The last column reports the t-value or the χ2-value together with the significance symbols