Chart 2. Incidence (in percent) of NCAs in the NLSY97 by hourly wage decile
Hourly wage decile (in dollars) Incidence of NCAs Upper limit of 95-percent CI Lower limit of 95-percent CI

45.4–244.8

32 38 26

33.2–45.2

18 23 13

27.2–33.3

21 26 16

22.8–27.2

18 23 13

19.6–22.7

20 25 15

17.2–19.6

19 23 14

15.0–17.1

17 22 13

13.0–15.0

13 17 9

10.5–13.0

11 15 7

2.1–10.5

9 13 6

Notes: CI = confidence interval. NCA = noncompete agreement. NLSY97 = National Longitudinal Survey of Youth 1997.

Source: Authors' calculations based on data from the 2017–18 interview of the NLSY97 cohort.