我是 LaTeX 新手。我一直在尝试使用 longtable 创建文献综述表。如果没有 longtable 包，我的表的宽度就合适，但是当我决定使用 longtable 包时，我的表对于页面来说太宽了。有人可以指导我并告诉我我需要单独做什么吗？
\usepackage{lscape}
\usepackage{longtable}
\begin{landscape}
\begin{longtable}{|l|l|l|l|l|l|}
\hline
\multicolumn{1}{|c|}{\textbf{Authors}} &
\multicolumn{1}{c|}{\textbf{Study/sample details}} &
\multicolumn{1}{c|}{\textbf{Childhood SEP}} &
\multicolumn{1}{c|}{\textbf{Physical capability}} &
\multicolumn{1}{c|}{\textbf{Covariates}} &
\multicolumn{1}{c|}{\textbf{Association}} \\ \hline
\endfirsthead
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\endhead
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(Birnie et al., 2011) &
\begin{tabular}[c]{@{}l@{}}Study: Systematic review \\ \\ Date: Inception to 2010 \\ \\ Sample size:Grip strength (N = 1,061,855)\\ \\ Walking speed (N = 20,770)\\ \\ Chair rise (N = 17,215)\\ \\ Standing balance (N = 22,156)\\ \\ Age at outcome: 18-79 years\end{tabular} &
\begin{tabular}[c]{@{}l@{}}1) Father’s occupation \\ 2) Father’s education\\ 3) Mother’s education\\ 4) Childhood economic environment \\ \\ 9/11 studies had retrospective\\ ascertained\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Grip strength \\ Walking speed\\ Chair rise speed\\ One-leg Standing balance\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Confounders\\ 1) Age\\ 2) Adult SEP\\ 3) Body size\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Model 1 (Confounder: 1)\\ Low childhood SEP = Poorer grip strength\\ Low childhood SEP = Reduced walking speed \\ Low childhood SEP = Reduced chair rise speed\\ Low childhood SEP = Poorer balance \\ \\ Model 2 (Confounder: 1-2)\\ Low childhood SEP = No association with grip strength\\ Low childhood SEP = Reduced walking speed \\ Low childhood SEP = Reduced chair rise speed\\ Low childhood SEP = No association with standing balance \\ \\ Model 3 (Confounder: 1-3)\\ Low childhood SEP = No association with grip strength\\ Low childhood SEP = No association with walking speed\\ Low childhood SEP = Reduced chair rise speed\\ Low childhood SEP = No association with standing balance\end{tabular} \\ \hline
(Strand et al., 2011) &
\begin{tabular}[c]{@{}l@{}}Study: MRC NSHD\\ \\ Design: Birth cohort\\ \\ Setting: Britain\\ \\ Period: 1946-ongoing\\ \\ Sample size: n = 2,988\\ \\ Age: 53\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Mothers education (P) - ME\\ Fathers occupation (P) - FO\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Chair rise speed\\ Grip strength\\ Standing balance\end{tabular} &
\begin{tabular}[c]{@{}l@{}}1) Childhood growth and home environment:\\ - Birth weight\\ - Height and weight\\ - Childhood growth\\ - Material home conditions, 4 yrs\\ \\ 2) Childhood cognition and coordination:\\ - Age at first walking\\ - Cognitive ability, 8 yrs\\ - Motor coordination, 15 yrs\\ \\ 3) Adult factors 53 yrs:\\ - Physical activity\\ - Height and weight\\ - Smoking\\ - Cognitive function\\ - Lung function (FEV1) - Health status\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Mode 0 (Adj: gender)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = Poorer standing balance\\ \\ Mode 1 (Adj: gender, height, weight)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = Poorer standing balance\\ \\ Mode 2 (Model 1 + CSEP)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = No association with standing balance\\ \\ Mode 3 (Model 2 + Childhood growth and home environment)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = No association with standing balance\\ \\ Mode 4 (Model 3 + Childhood cognition and coordination)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = No association with standing balance\\ \\ Mode 5 (Model 4 + Education and adult SEP)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = No association with standing balance\\ \\ Mode 6 (Model 5 + Adult lifestyle, health and cognition)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = Reduced chair rise speed\\ Low FO = No association with standing balance\\ \\ \\ Mode 7 (Fully adjusted)\\ Low ME = No association with grip strength\\ Low ME = No association with chair rise speed\\ Low ME = Poorer standing balance\\ \\ Low FO = No association with grip strength\\ Low FO = No association with grip strength\\ Low FO = No association with standing balance\end{tabular} \\ \hline
(Starr and Deary, 2011) &
\begin{tabular}[c]{@{}l@{}}Study: Lothian birth cohort\\ \\ Setting: Scotland\\ \\ Period: 1921 -\\ \\ Sample size: n = 559\\ \\ Age: 79 - 87 years\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Participant’s education (P)\\ Father’s education (P)\\ Mother’s education (P)\\ Participant’s social class (P)\end{tabular} &
Grip strength &
\begin{tabular}[c]{@{}l@{}}Wave\\ Vital status\\ Sex\\ Height\\ Weight\\ Participant’s adult SEP\end{tabular} &
Low childhood SEP = poorer grip strength \\ \hline
(Hurst et al., 2013) &
\begin{tabular}[c]{@{}l@{}}Study: MRC NSHD\\ \\ Design: Birth cohort\\ \\ Setting: Britain\\ \\ Period: 1946-ongoing\\ \\ Sample size: n = 2,229 \\ \\ Age: 60 -64 years\end{tabular} &
Fathers occupation (P) - FO &
\begin{tabular}[c]{@{}l@{}}Chair rise speed\\ Grip strength\\ Standing balance\\ Timed up and go test (TUG)\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Adult height\\ childhood cognitive development\\ BMI\\ Lifetime smoking status\\ Adult occupation\\ Adult education\end{tabular} &
\begin{tabular}[c]{@{}l@{}}Adjust all for gender\\ \\ Model 1: \\ Low childhood SEP = Poorer grip strength \\ Low childhood SEP= Reduced chair rise speed\\ Low childhood SEP= Poorer balance\\ Low childhood SEP = Slower TUG\\ \\ Model 1: Adjusted\\ Low childhood SEP = Poorer grip strength \\ Low childhood SEP = Reduced chair rise speed\\ Low childhood SEP = Poorer balance\\ Low childhood SEP = Slower TUG\end{tabular} \\ \hline
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One-leg Standing balance &
3) Body size &
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\end{longtable}
\end{landscape}
我的表没有使用 longtable 包：
我的表使用longtable封装之后：
