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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Psychol Aging. 2015 Aug 17;30(3):699–711. doi: 10.1037/pag0000043

Table 2.

Intervals (number of days) between flights, mean (sd), min - max range.

No. days between Flights 1 and 2 No. days between Flights 2 and 3 No. days between Flights 3 and 4
Total group (n = 263) 7.02 (13.07)
.2 – 140
5.38(8.92)
.2 – 61
35.03 (16.72)
2 – 103
Expertise group
 VFR (n = 65) 8.44(13.98)
.2 – 75
6.51 (9.75)
.2 – 51
34.94 (15.23)
3 – 87
 CFI/ IFR (n = 145) 7.37 (14.24)
.2 – 140
4.64 (8.20)
.2 – 61
32.97 (15.61)a
2 – 95
 CFII/ATP (n = 53) 4.31 (6.93)
.2 – 44
6.05 (9.67)
.2 – 42
40.79 (20.07)a
15 – 103
Age group
 Under 60 years (n = 158) 7.06 (10.83)
.2 – 75
6.79 (10.13)b
.2 – 61
36.23 (17.16)b
3 – 103
 60+ years (n = 105) 6.96 (15.91)
.2 to 140
3.26 (6.15)b
.2 – 43
33.24 (15.95)b
2 – 74
a

Significant expertise group difference at the .05 alpha level.

b

Significant age group difference at the .05 alpha level.