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Table 1 Demographic Characteristics of Working Registered Nurses (RNs) in 2008 NSSRNa Data

From: The effect of prior healthcare employment on the wages of registered nurses

Target population Total Populationb (Initial Bachelor and Associate degree) Initial Bachelor degree Initial Associate degree
Un-weighted sample size Un-weighted N = 24,136 Un-weighted N = 21,225 Un-weighted N = 10,345 Un-weighted N = 8,992 Un-weighted N = 13,791 Un-weighted N = 12,223
Weighted sample size Weighted N = 2,242,238 Weighted N = 1,949,625 Weighted N = 945,429 Weighted N = 812,458 Weighted N = 1,296,809 Weighted N = 1,137,166
Sample group All sample (selection equation) Working sample (wage equation) All sample (selection equation) Working sample (wage equation) All sample (selection equation) Working sample (wage equation)
I. Continuous variables Weighted Mean (SD)
 RN hourly wagec [$] n/a (n/a) 31.14 (12.68) n/a (n/a) 32.90 (13.65) n/a (n/a) 29.88 (11.78)
 Log of RN hourly wage (Outcome variable) n/a (n/a) 3.37 (0.36) n/a (n/a) 3.43 (0.36) n/a (n/a) 3.33 (0.35)
 RN Experience (in years) n/a (n/a) 15.85 (10.68) n/a (n/a) 16.44 (11.19) n/a (n/a) 15.43 (10.29)
 Medical, surgical and other specialists per 1,000 population 1.14 (0.87) 1.16 (0.88) 1.28 (0.91) 1.30 (0.92) 1.03 (0.83) 1.05 (0.84)
 Primary care practitioners per 1,000 population 0.32 (0.15) 0.32 (0.15) 0.32 (0.15) 0.32 (0.15) 0.32 (0.15) 0.32 (0.15)
 Log of other income 9.18 (3.56) n/a (n/a) 9.34 (3.53) n/a (n/a) 9.06 (3.57) n/a (n/a)
 Uninsured rate 14.45 (4.44) n/a (n/a) 14.41 (4.57) n/a (n/a) 14.49 (4.35) n/a (n/a)
 Unemployment rate 5.72 (1.53) n/a (n/a) 5.58 (1.42) n/a (n/a) 5.83 (1.59) n/a (n/a)
II. Categorical variables Weighted Percent (%)
Prior healthcare position
 Manager (1.8) (1.7) (1.3) (1.1) (2.2) (2.2)
 LPN/LVNd (15.8) (16.0) (5.0) (5.0) (23.6) (23.8)
 Allied health (11.9) (12.2) (10.0) (10.1) (13.4) (13.7)
 Nursing aide (34.8) (35.0) (43.0) (43.3) (28.9) (29.1)
 Clerk (3.2) (3.3) (2.7) (2.8) (3.6) (3.6)
 Other (4.7) (4.6) (5.0) (4.9) (4.5) (4.4)
 No prior health care job (27.8) (27.2) (33.2) (32.9) (23.8) (23.2)
Gender
 Male (7.3) (7.6) (6.9) (7.1) (7.6) (8.0)
 Female (92.7) (92.4) (93.1) (92.9) (92.4) (92.0)
Marital Status
 Married (74.3) (73.9) (75.3) (74.5) (73.6) (73.5)
 Single (25.7) (26.1) (24.7) (25.5) (26.4) (26.5)
Race
 White (82.3) (81.5) (78.5) (77.4) (85.0) (84.3)
 Other (17.8) (18.6) (21.5) (22.6) (15.0) (15.7)
Work Status
 Part-time n/a (23.4) n/a (25.7) n/a (21.8)
 Full-time, no overtime n/a (41.2) n/a (40.3) n/a (41.7)
 Full-time, with overtime n/a (35.4) n/a (34.0) n/a (36.4)
Work setting
 Hospital n/a (63.7) n/a (65.1) n/a (62.7)
 Nursing home n/a (5.3) n/a (3.4) n/a (6.6)
 Other setting n/a (31.1) n/a (31.6) n/a (30.7)
Highest nursing education
 Diploma n/a n/a n/a n/a n/a n/a
 Associate degree (45.6) (46.1) n/a n/a (78.9) (79.1)
 Bachelor (41.7) (41.4) (79.3) (79.7) (14.3) (14.0)
 Master's (12.7) (12.5) (20.7) (20.3) (6.9) (6.9)
Working or not (Selection variable)
 Working (87.0) n/a (85.9) n/a (87.7) n/a
 Not working (13.1) n/a (14.1) n/a (12.3) n/a
Grouped age
 <30 (11.0) (12.0) (15.1) (16.6) (7.9) (8.7)
 30–39 (23.3) (24.4) (25.9) (26.6) (21.4) (22.7)
 40–49 (28.5) (29.4) (27.1) (27.7) (29.4) (30.5)
 50–59 (27.9) (27.6) (24.3) (23.7) (30.5) (30.5)
 > = 60 (9.4) (6.7) (7.5) (5.4) (10.8) (7.6)
Student enrollment
 Full-time student (3.3) (3.3) (3.3) (3.2) (3.2) (3.4)
 Part-time student (5.5) (5.9) (4.4) (4.8) (6.3) (6.7)
 Not a student (91.3) (90.8) (92.3) (92.0) (90.5) (90.0)
Children at home
 Children under 6 years (10.7) (11.0) (13.5) (13.8) (8.6) (9.0)
 All children 6–18 years (28.9) (29.7) (28.7) (29.2) (29.1) (30.1)
 Both under and over 6 years (7.6) (7.7) (8.4) (8.4) (7.0) (7.3)
 No children at home (52.8) (51.6) (49.3) (48.7) (55.3) (53.7)
Urban/Rural
 Urban (81.2) (80.8) (87.5) (87.3) (76.5) (76.1)
 Rural (18.8) (19.2) (12.5) (12.7) (23.5) (23.9)
III. Count of Prior Healthcare Positiond Weighted Count (Unweighted Count)
 Manager 40,583 (461) 33,694 (395) 12,056 (136) 8,809 (105) 28,527 (325) 24,885 (290)
 LPN/LVNe 353,334 (4,033) 311,253 (3,605) 46,782 (564) 40,783 (498) 306,553 (3,469) 270,470 (3,107)
 Allied health 267,431 (2,849) 237,609 (2,548) 94,316 (1,028) 81,849 (906) 173,114 (1,821) 155,760 (1,642)
 Nursing aide 780,764 (8,470) 682,037 (7,506) 406,120 (4,563) 351,355 (4,010) 374,643 (3,907) 330,682 (3496)
 Clerk 72,290 (753) 64,315 (661) 25,453 (277) 22,881 (247) 46,836 (476) 41,434 (414)
 Other 105,368 (1,163) 90,257 (1,004) 46,869 (539) 39,890 (462) 58,499 (624) 50,367 (542)
 No prior health care job 622,469 (6,407) 530,461 (5,506) 313,832 (3,238) 266,892 (2,764) 308,637 (3,169) 263,568 (2,742)
  1. aNSSRN: nationally representative National Sample Survey of Registered Nurses
  2. bAll actively licensed RNs in the NSSRN 2008 public use data file, excluding RNs who resided outside the United States and RNs whose initial nursing education was at the diploma or graduate (Master’s or Doctorate) level
  3. cRN hourly wage was calculated by adding the salaries from all nursing jobs, then dividing by the number of annual hours worked for all nursing jobs. The natural logarithm of the wage was used to make the distribution approximately normal
  4. dCount data for other variables are summarized in Table S4 available in Additional file 4
  5. eLPN/LVN: Licensed Practical Nurses/Licensed Vocational Nurses