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. Author manuscript; available in PMC: 2011 Dec 14.
Published in final edited form as: Behav Cogn Psychother. 2010 Jul 9;38(5):611–628. doi: 10.1017/S1352465810000329

Table 1.

Temporal trajectory of technical skill indices and elements in MI-proficient delivery

Change over encounter

Intercept Early-session trajectory Late-session trajectory



Index/element Value (95% C.I.) Beta-value (95% C.I) Beta-value (95% C.I.)
R:Q 1.36 (1.08, 1.64) .54* (.12, .96) −.16* (−.29, −.03)
    Total reflections 5.29 (5.01, 5.57) −.01 (−.32, .31) −.11* (−.20, −.01)
    Total questions 5.46 (5.18, 5.74) −1.57*** (−1.94, −1.20) .38*** (.26, .49)
%OQ .61 (.32, .88) −.08 (−.50, .33) .00 (−.13, .14)
    Open questions 3.07 (2.79, 3.35) −1.28*** (−1.67, −.89) .29*** (.16, .41)
    Closed questions 2.43 (2.15, 2.71) −.33 (−.72, .04) .10 (−.02, .22)
%CR .54 (.26, .82) .07 (−.34, .45) −.01 (−.14, .11)
    Complex reflections 2.79 (2.51, 3.07) .50*** (.14, .86) −.18*** (−.30,−.07)
    Simple reflections 2.51 (2.23, 2.79) −.51** (−.89, −.14) .08 (−.04, .20)
    MI-adherent behaviours .11 (−.16, .39) .02 (−.40, .43) .04 (−.09, .17)
    MI non-adherent ehaviours .02 (−.25, .29) −.04 (−.48, .40) .02 (−.13, .16)
    Giving information .15 (−.13, .43) −.05 (−.44, .35) .13* (.00, .25)

Notes:

Based on 49 recordings of a 20-minute encounter with delivery rated high in MI spirit (x > 5 on Likert scale).

Intercept corresponds to the 1st quartile interval of the encounter.

Early-session trajectory corresponds to subsequent quartile intervals of the encounter.

Late-session trajectory corresponds to final quartile interval of the encounter.

R:Q computed as (Total Reflections)/(Total Questions).

%OQ computed as (Open Questions)/(Total Questions).

%CR computed as (Complex Reflections)/(Total Reflections).

***

p<.001,

**

p<.01,

*

p<.05 (based on Walden X2 value).