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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Tob Regul Sci. 2020 Sep;6(5):318–330. doi: 10.18001/TRS.6.5.2

Table 2.

Statistical Analysis Results for Topography Outcomes

Group Device Bout
Outcome Measure F p ηp2 F p ηp2 F p ηp2
Puff Topography
 Numbera 1.21 .28 0.03 0.99 .33 0.02 8.99 .001 0.18
 Durationb 0.02 .89 0.00 1.20 .28 0.03 0.31 .66 0.01
 Inter-puff Intervalc 0.46 .50 0.01 0.48 .49 0.01 3.22 .06 0.08
 Volumeb 0.21 .65 0.00 n/a n/a n/a 1.74 .19 0.04
 Flow Rateb 0.24 .63 0.00 n/a n/a n/a 2.30 .12 0.06

Note.

a:

dfgroup and dfdevice = (1,40); dfbout = (2,80)

b:

dfgroup and dfdevice = (1,39); dfbout = (2,78)

c:

dfgroup and dfdevice = (1,38); dfbout = (2,76)