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. 2018 May 9;20(5):e176. doi: 10.2196/jmir.9160

Table 1.

Sample characteristics.

Characteristics Overall
(n=212,933)
Medical specialties
(n=128,678)
Allied health providers
(n=11,724)
Surgical specialties
(n=72,531)
P valuea
Region, n (%) .02

Northeast 45,616 (21.42) 27,385 (21.28) 2654 (22.64) 15,577 (21.48)

Midwest 44,069 (20.70) 26,629 (20.69) 2389 (20.38) 15,051 (20.75)

South 80,751 (37.92) 48,779 (37.91) 4380 (37.36) 27,592 (38.04)

West 41,197 (19.35) 25,121 (19.52) 2234 (19.05) 13,842 (19.08)

Not available 1300 (0.61) 764 (0.59) 67 (0.57) 469 (0.65)
Division, n (%)



<.001

New England 12,345 (5.80) 7517 (5.84) 615 (5.25) 4213 (5.81)

Mid-Atlantic 33,271 (15.63) 19,868 (15.40) 2039 (17.39) 11,364 (15.67)

East North Central 32,797 (15.40) 20,058 (15.59) 1728 (14.74) 11,011 (15.18)

West North Central 11,272 ( 5.29) 6571 (5.11) 661 (5.64) 4040 (5.57)

South Atlantic 45,537 (21.39) 27,829 (21.63) 2570 (21.92) 15,138 (20.87)

East South Atlantic 11,840 (5.56) 7008 (5.45) 575 (4.90) 4257 (5.87)

West South Central 23,374 (10.98) 13,942 (10.83) 1235 (10.53) 8197 (11.30)

Mountain 15,012 (7.05) 8816 (6.85) 1043 (8.90) 5153 (7.10)

Pacific 26,185 (12.30) 16,305 (12.67) 1191 (10.16) 8689 (11.98)

Not available 1300 (0.61) 764 (0.59) 67 (0.57) 469 (0.65)
Sex, n (%)



<.001

Female 56,377 (26.48) 38,293 (29.76) 2592 (22.11) 15,492 (21.36)

Male 156,556 (73.52) 90,385 (70.24) 9132 (77.89) 57,039 (78.64)
Graduation year, n (%) <.001

1945-1954 57 (0.02) 47 (0.04) 2 (0.02) 8 (0.01)

1955-1964 1579 (0.74) 1025 (0.80) 18 (0.15) 536 (0.74)

1965-1974 13,475 (6.33) 8360 (6.50) 314 (2.68) 4801 (6.62)

1975-1984 47,738 (22.42) 29,744 (23.12) 2124 (18.12) 15,870 (21.88)

1985-1994 64,498 (30.29) 39,094 (30.38) 3128 (26.68) 22,276 (30.71)

1995-2004 61,338 (28.81) 36,279 (28.19) 3855 (32.88) 21,204 (29.23)

2005-2014 20,349 (9.56) 11,665 (9.07) 2215 (18.89) 6469 (8.92)

2015-2016 61 (0.03) 11 (0.01) 40 (0.34) 10 (0.01)

Not available 3838 (1.80) 2453 (1.91) 28 (0.24) 1357 (1.87)
Physician performance metrics, median (IQRb)

Overall patient satisfaction 4.10 (3.40-4.60) 4.00 (3.30-4.50) 4.50 (4.00-5.00) 4.20 (3.60-4.60) <.001

Level of trust in provider’s decisions 4.20 (3.60-4.60) 4.10 (3.50-4.60) 4.60 (4.10-5.00) 4.30 (3.70-4.70) <.001

How well provider explains medical condition(s) 4.20 (3.60-4.60) 4.10 (3.50-4.60) 4.60 (4.10-5.00) 4.30 (3.70-4.70) <.001

How well provider listens and answers questions 4.20 (3.60-4.60) 4.10 (3.50-4.60) 4.60 (4.10-5.00) 4.20 (3.70-4.60) <.001

Spends appropriate amount of time with patients 4.20 (3.60-4.60) 4.10 (3.50-4.60) 4.60 (4.10-5.00) 4.20 (3.70-4.60) <.001
Office and staff performance metrics, median (IQR)

Ease of scheduling urgent appointments 4.20 (3.60-4.60) 4.00 (3.50-4.50) 4.60 (4.20-4.90) 4.30 (3.80-4.60) <.001

Office environment, cleanliness, comfort 4.30 (3.90-4.70) 4.30 (3.80-4.60) 4.60 (4.20-4.90) 4.40 (4.00-4.70) <.001

Staff friendliness and courteousness 4.20 (3.70-4.60) 4.10 (3.60-4.50) 4.60 (4.20-4.90) 4.30 (3.90-4.70) <.001
Total wait time (waiting and exam rooms; minutes), n (%) <.001

<10 31,177 (14.64) 17,412 (13.53) 5826 (49.69) 7939 (10.95)

10-15 113,517 (53.31) 69,132 (53.72) 4676 (39.88) 39,709 (54.75)

16-30 54,412 (25.55) 32,548 (25.29) 1057 (9.02) 20,807 (28.69)

31-45 12,907 (6.06) 8836 (6.87) 156 (1.33) 3915 (5.40)

>45 908 (0.43) 740 (0.58) 8 (0.07) 160 (0.22)

aP value calculated by Pearson chi-square test.

bIQR: interquartile range.