Table 3 Current cigar smoking and all-cause mortality by inhalation level and cigars per day

Kahn1966

Dorn study

<5

1.04

(0.98, 1.11)

SMR

Kahn1966

Dorn study

5 to 8

1.17

(1.06, 1.29)

SMR

Kahn1966

Dorn study

8+

1.49

(1.24, 1.77)

SMR

Shanks1998

CPS-I

1 to 2

1.02

(0.97, 1.07)

IRR

Primary

Shanks1998

CPS-I

3 to 4

1.08

(1.02, 1.15)

IRR

Primary

Shanks1998

CPS-I

5+

1.17

(1.10, 1.24)

IRR

Primary

Shanks1998

CPS-I

1 to 2

1.02

(0.93, 1.12)

IRR

Secondary

Shanks1998

CPS-I

3 to 4

1.17

(1.07, 1.28)

IRR

Secondary

Shanks1998

CPS-I

5+

1.18

(1.08, 1.29)

IRR

Secondary

Shanks1998

CPS-I

None

1.04

(1.00, 1.08)

IRR

Primary

Shanks1998

CPS-I

Slight

1.19

(1.09, 1.30)

IRR

Primary

Shanks1998

CPS-I

Moderate-deep

1.6

(1.38, 1.84)

IRR

Primary

Shanks1998

CPS-I

None

1.04

(0.97, 1.11)

IRR

Secondary

Shanks1998

CPS-I

Slight

1.16

(1.04, 1.29)

IRR

Secondary

Shanks1998

CPS-I

Moderate-deep

1.33

(1.16, 1.51)

IRR

Secondary