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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: J Epidemiol Community Health. 2014 Dec 9;69(5):408–415. doi: 10.1136/jech-2014-204650

Table 2.

Joinpoints with corresponding estimated annual percent change (EAPC) and rate ratios (RR) for cancer mortality by educational level, 1998–2007

Group Cancer
Type
Educational
level
Men Women
JP EAPC1 (95% CI) EAPC2 (95% CI) RR 95%CI JP EAPC1 (95% CI) EAPC2 (95% CI) RR 95%CI
TOTAL CANCER Primary No −0.77 (−1.39; −0.16) 1.54 (1.48; 1.59) No −1.49 (−1.98; −1.01) 1.62 (1.57; 1.68)
Secondary No −1.35 (−1.81; −0.89) 1.34 (1.29; 1.39) No −1.26 (−2.07; −0.45) 1.35 (1.30; 1.40)
Tertiary No −1.43 (−2.79; −0.05) 1 No −1.59 (−3.16; −0.01) 1

Infection related cancers Stomach Primary No −1.13 (−2.05; −0.19) 2.56 (2.29; 2.86) No −1.28 (−3.07; 0.54) 1.98 (1.75; 2.24)
Secondary No −1.17 (−2.74; 0.43) 1.65 (1.47; 1.85) No −2.68 (−5.75; 0.50) 1.38 (1.21; 1.59)
Tertiary No 0.63 (−2.63; 4.01) 1 No −0.33 (−7.07; 6.90) 1
Cervix Primary n.a. No −3.53 (−4.65; −2.40) 5.75 (5.05; 6.54)
Secondary n.a. No −2.08 (−3.54; −0.59) 2.82 (2.47; 3.22)
Tertiary n.a. No −2.33 (−7.43; 3.06) 1

Cancers related to other risk factors Prostate Primary No −2.45 (−4.57; −0.28) 1.04 (0.92; 1.19) n.a.
Secondary No −3.74 (−6.38; −1.03) 1.01 (0.87; 1.16) n.a.
Tertiary No −3.37 (−10.51; 4.33) 1 n.a.
Lung Primary No −0.15 (−1.16; 0.88) 1.64 (1.47; 1.82) No −0.84 (−2.51; 0.86) 1.32 (1.16; 1.50)
Secondary 2002 1.69 (−1.59; 5.09) −3.70 (−5.55; −1.81) 1.38 (1.22; 1.55) No −1.42 (−4.16; 1.41) 1.12 (0.98; 1.28)
Tertiary No −3.01 (−7.09: 1.25) 1 No 0.49 (−4.47; 5.72) 1
Colorectal Primary No 1.67 (−0.44: 3.82) 0.91 (0.82; 1.01) No 1.38 (−0.07; 2.85) 1.01 (0.90; 1.13)
Secondary No 0.31 (−2.12; 2.81) 1.05 (0.93; 1.19) No −0.11 (−1.64; 1.45) 1.13 (0.99; 1.28)
Tertiary No −3.36 (−8.08; 1.61) 1 No 1.31 (−3.59; 6.45) 1
Breast Primary n.a. No 0.71 (−0.61; 2.05) 0.93 (0.87; 0.99)
Secondary n.a. No −0.20 (−1.96; 1.58) 1.13 (1.06; 1.21)
Tertiary n.a. No 0.03 (−4.18; 4.43) 1

OTHER CANCERS Primary No −0.88 (−1.67; −0.08) 1.39 (1.33; 1.45) No −1.64 (−2.16; −1.12) 1.50 (1.43; 1.57)
Secondary No −1.34 (−2.21; −0.47) 1.30 (1.24; 1.37) No −1.60 (−2.54; −0.65) 1.27 (1.21; 1.34)
Tertiary 2001 −6.48 (−13.14; 0.69) 0.87 (−1.30; 3.09) 1 No −3.10 (−5.02; −1.13) 1

JP = joinpoint: was there a joinpoint and if so, in which year; EAPC = Estimated Annual Percent Change (%), EAPC1: EAPC during period from 1998 until joinpoint (in case of a joinpoint) or during the whole period, EAPC2: EAPC during the period from joinpoint until 2007; RR = Rate Ratio, apply to period 1998–2007; n.a. = not applicable