conditional table output

<?php
$gender = get_post_meta($post->ID, "gender", true);
$birth_year = get_post_meta($post->ID, "birth_year", true);
$current_location = get_post_meta($post->ID, "current_location", true);
$availability = get_post_meta($post->ID, "availability", true);
if( $gender || $birth_year || $current_location || $availability ) : ?>
<table border="1" id="personal">
<caption STYLE="text-align:left"><h2>Personal Information</h2></caption>
<tr>
<th width="19%">Gender</th><th width="16.9%">Birth Year</th><th>Current Location</th><th>Availability</th>
</tr>
<tr>
<td><?php if( $gender ): ?>
<p><?php echo $gender; ?></p>
<?php endif;?>
</td>
<td><?php if( $birth_year ): ?>
<p><?php echo $birth_year; ?></p>
<?php endif;?></td>
<td><?php if( $current_location ): ?>
<p><?php echo $current_location; ?></p>
<?php endif;?></td>
<td><?php if( $availability ): ?>
<p><?php echo $availability; ?></p>
<?php endif;?></td>
</tr>
</table>
<?php endif; ?>