**Table 3:** Best-fit parameter values and $1\sigma$ errors for the BBN constraints on $\frac{\Delta \alpha}{\alpha_0}$ .
Data	$\frac{\Delta \alpha}{\alpha_0}\pm \sigma$	$\frac{\chi^2_{\rm min}}{N-1}$
$\ensuremath{{\rm D}} + \ensuremath{\null^4{\rm He}} + \ensuremath{\null^7{\rm Li}}$	$0.077 \pm 0.001$	23.28
$\ensuremath{\null^4{\rm He}} + \ensuremath{\null^7{\rm Li}}$	$0.077 \pm 0.001$	45.18
$\ensuremath{{\rm D}} + \ensuremath{\null^7{\rm Li}}$	$0.129 \pm 0.006$	1.58
$\ensuremath{{\rm D}} + \ensuremath{\null^4{\rm He}}$	$-0.020 \pm 0.007$	0.90

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