Table 2.

Vaccination intention as a function the number of messages read (including non-consecutive participation.)

	N	Expert endorsement			Control group			Baseline differences
Messages		$\beta$	z	p	$\beta$	z	p	$\beta$	z	p
6	757	0.046 [0.008,0.084]	2.358	0.018*	0.013 [-0.016,0.042]	0.894	0.371	−0.274 [-0.567, 0.020]	−1.829	0.067
5+	826	0.044 [0.008,0.081]	2.392	0.017*	0.011 [-0.017,0.038]	0.768	0.443	−0.302 [-0.584,-0.020]	−2.098	0.036*
4+	876	0.038 [0.002,0.074]	2.083	0.037*	0.013 [-0.014,0.039]	0.938	0.348	−0.259 [-0.534, 0.016]	−1.845	0.065
3+	928	0.034 [-0.002,0.070]	1.841	0.066	0.015 [-0.012,0.041]	1.093	0.274	−0.232 [-0.501, 0.036]	−1.695	0.090
2+	1007	0.036 [0.001,0.072]	2.018	0.044*	0.013 [-0.014,0.039]	0.948	0.343	−0.272 [-0.531,-0.014]	−2.065	0.039*
1+	1109	0.030 [-0.005,0.065]	1.693	0.090	0.016 [-0.009,0.042]	1.246	0.213	−0.209 [-0.454, 0.035]	−1.676	0.094