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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 1.

Correlations for eTop versus Video or versus Video of eTop in Use

eTop
Directed Ad Lib 1 Ad Lib 2
versus video
 Puff Number 0.47 0.66
 Puff Duration 0.68 0.66 0.53
 IPI 0.83 0.63
versus video of eTop
 Puff Number 0.74 0.95
 Puff Duration 0.98 0.96 0.97
 IPI 0.99 0.96

Note.

All coefficients significant at p < .01